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a0d0e21e 1/* perl.h
a687059c 2 *
1761cee5 3 * Copyright (c) 1987-2000, Larry Wall
a687059c 4 *
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5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
8d063cd8 7 *
8d063cd8 8 */
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9#ifndef H_PERL
10#define H_PERL 1
8d063cd8 11
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12#ifdef PERL_FOR_X2P
13/*
14 * This file is being used for x2p stuff.
15 * Above symbol is defined via -D in 'x2p/Makefile.SH'
16 * Decouple x2p stuff from some of perls more extreme eccentricities.
17 */
55497cff 18#undef MULTIPLICITY
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19#undef USE_STDIO
20#define USE_STDIO
21#endif /* PERL_FOR_X2P */
22
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23#define VOIDUSED 1
24#include "config.h"
25
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26#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
27# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
28#endif
29
30/* XXX This next guard can disappear if the sources are revised
31 to use USE_5005THREADS throughout. -- A.D 1/6/2000
32*/
33#if defined(USE_ITHREADS) && defined(USE_THREADS)
34# include "error: USE_ITHREADS and USE_THREADS are incompatible"
35#endif
36
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37/* See L<perlguts/"The Perl API"> for detailed notes on
38 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
39
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40#ifdef USE_ITHREADS
41# if !defined(MULTIPLICITY) && !defined(PERL_OBJECT)
42# define MULTIPLICITY
43# endif
44#endif
45
0cb96387 46#ifdef USE_THREADS
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47# ifndef PERL_IMPLICIT_CONTEXT
48# define PERL_IMPLICIT_CONTEXT
49# endif
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50#endif
51
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52#if defined(MULTIPLICITY)
53# ifndef PERL_IMPLICIT_CONTEXT
54# define PERL_IMPLICIT_CONTEXT
55# endif
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56#endif
57
58#ifdef PERL_CAPI
59# undef PERL_OBJECT
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60# ifndef MULTIPLICITY
61# define MULTIPLICITY
62# endif
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63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
66# ifndef PERL_IMPLICIT_SYS
67# define PERL_IMPLICIT_SYS
68# endif
69#endif
70
71#ifdef PERL_OBJECT
72# ifndef PERL_IMPLICIT_CONTEXT
73# define PERL_IMPLICIT_CONTEXT
74# endif
75# ifndef PERL_IMPLICIT_SYS
76# define PERL_IMPLICIT_SYS
77# endif
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78#endif
79
76e3520e 80#ifdef PERL_OBJECT
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81
82/* PERL_OBJECT explained - DickH and DougL @ ActiveState.com
83
84Defining PERL_OBJECT turns on creation of a C++ object that
85contains all writable core perl global variables and functions.
86Stated another way, all necessary global variables and functions
87are members of a big C++ object. This object's class is CPerlObj.
88This allows a Perl Host to have multiple, independent perl
89interpreters in the same process space. This is very important on
90Win32 systems as the overhead of process creation is quite high --
91this could be even higher than the script compile and execute time
92for small scripts.
93
94The perl executable implementation on Win32 is composed of perl.exe
95(the Perl Host) and perlX.dll. (the Perl Core). This allows the
96same Perl Core to easily be embedded in other applications that use
97the perl interpreter.
98
99+-----------+
100| Perl Host |
101+-----------+
102 ^
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103 |
104 v
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105+-----------+ +-----------+
106| Perl Core |<->| Extension |
107+-----------+ +-----------+ ...
108
109Defining PERL_OBJECT has the following effects:
110
111PERL CORE
1121. CPerlObj is defined (this is the PERL_OBJECT)
1132. all static functions that needed to access either global
114variables or functions needed are made member functions
1153. all writable static variables are made member variables
1164. all global variables and functions are defined as:
22c35a8c 117 #define var CPerlObj::PL_var
3dfd1da1 118 #define func CPerlObj::Perl_func
22c35a8c 119 * these are in embed.h
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120This necessitated renaming some local variables and functions that
121had the same name as a global variable or function. This was
122probably a _good_ thing anyway.
123
124
125EXTENSIONS
1261. Access to global variables and perl functions is through a
127pointer to the PERL_OBJECT. This pointer type is CPerlObj*. This is
128made transparent to extension developers by the following macros:
22c35a8c 129 #define var pPerl->PL_var
3dfd1da1 130 #define func pPerl->Perl_func
6de196ee 131 * these are done in objXSUB.h
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132This requires that the extension be compiled as C++, which means
133that the code must be ANSI C and not K&R C. For K&R extensions,
134please see the C API notes located in Win32/GenCAPI.pl. This script
6de196ee 135creates a perlCAPI.lib that provides a K & R compatible C interface
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136to the PERL_OBJECT.
1372. Local variables and functions cannot have the same name as perl's
138variables or functions since the macros will redefine these. Look for
139this if you get some strange error message and it does not look like
140the code that you had written. This often happens with variables that
141are local to a function.
142
143PERL HOST
1441. The perl host is linked with perlX.lib to get perl_alloc. This
145function will return a pointer to CPerlObj (the PERL_OBJECT). It
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146takes pointers to the various PerlXXX_YYY interfaces (see iperlsys.h
147for more information on this).
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1482. The perl host calls the same functions as normally would be
149called in setting up and running a perl script, except that the
150functions are now member functions of the PERL_OBJECT.
151
152*/
153
154
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155class CPerlObj;
156
157#define STATIC
c5be433b 158#define CPERLscope(x) CPerlObj::x
7766f137 159#define CALL_FPTR(fptr) (aTHXo->*fptr)
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160
161#define pTHXo CPerlObj *pPerl
162#define pTHXo_ pTHXo,
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163#define aTHXo this
164#define aTHXo_ this,
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165#define PERL_OBJECT_THIS aTHXo
166#define PERL_OBJECT_THIS_ aTHXo_
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167#define dTHXoa(a) pTHXo = a
168#define dTHXo dTHXoa(PERL_GET_THX)
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169
170#define pTHXx void
171#define pTHXx_
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172#define aTHXx
173#define aTHXx_
0cb96387 174
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175#else /* !PERL_OBJECT */
176
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177#ifdef PERL_IMPLICIT_CONTEXT
178# ifdef USE_THREADS
179struct perl_thread;
180# define pTHX register struct perl_thread *thr
181# define aTHX thr
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182# define dTHR dNOOP
183# else
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184# ifndef MULTIPLICITY
185# define MULTIPLICITY
186# endif
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187# define pTHX register PerlInterpreter *my_perl
188# define aTHX my_perl
c5be433b 189# endif
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190# define dTHXa(a) pTHX = a
191# define dTHX dTHXa(PERL_GET_THX)
c5be433b 192# define pTHX_ pTHX,
c5be433b 193# define aTHX_ aTHX,
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194# define pTHX_1 2
195# define pTHX_2 3
196# define pTHX_3 4
197# define pTHX_4 5
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198#endif
199
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200#define STATIC static
201#define CPERLscope(x) x
565764a8 202#define CPERLarg void
76e3520e 203#define CPERLarg_
e3b8966e 204#define _CPERLarg
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205#define PERL_OBJECT_THIS
206#define _PERL_OBJECT_THIS
207#define PERL_OBJECT_THIS_
312caa8e 208#define CALL_FPTR(fptr) (*fptr)
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209
210#endif /* PERL_OBJECT */
211
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212#define CALLRUNOPS CALL_FPTR(PL_runops)
213#define CALLREGCOMP CALL_FPTR(PL_regcompp)
214#define CALLREGEXEC CALL_FPTR(PL_regexecp)
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215#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
216#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
217#define CALLREGFREE CALL_FPTR(PL_regfree)
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218
219#ifdef PERL_FLEXIBLE_EXCEPTIONS
220# define CALLPROTECT CALL_FPTR(PL_protect)
221#endif
312caa8e 222
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223#define NOOP (void)0
224#define dNOOP extern int Perl___notused
71be2cbc 225
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226#ifndef pTHX
227# define pTHX void
228# define pTHX_
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229# define aTHX
230# define aTHX_
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231# define dTHXa(a) dNOOP
232# define dTHX dNOOP
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233# define pTHX_1 1
234# define pTHX_2 2
235# define pTHX_3 3
236# define pTHX_4 4
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237#endif
238
239#ifndef pTHXo
240# define pTHXo pTHX
241# define pTHXo_ pTHX_
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242# define aTHXo aTHX
243# define aTHXo_ aTHX_
c5be433b 244# define dTHXo dTHX
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245#endif
246
247#ifndef pTHXx
248# define pTHXx register PerlInterpreter *my_perl
249# define pTHXx_ pTHXx,
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250# define aTHXx my_perl
251# define aTHXx_ aTHXx,
c5be433b 252# define dTHXx dTHX
22c35a8c 253#endif
71be2cbc 254
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255#undef START_EXTERN_C
256#undef END_EXTERN_C
257#undef EXTERN_C
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258#ifdef __cplusplus
259# define START_EXTERN_C extern "C" {
260# define END_EXTERN_C }
261# define EXTERN_C extern "C"
262#else
263# define START_EXTERN_C
264# define END_EXTERN_C
73c4f7a1 265# define EXTERN_C extern
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266#endif
267
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268#ifdef OP_IN_REGISTER
269# ifdef __GNUC__
270# define stringify_immed(s) #s
271# define stringify(s) stringify_immed(s)
d1ca3daa 272register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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273# endif
274#endif
275
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276/*
277 * STMT_START { statements; } STMT_END;
278 * can be used as a single statement, as in
279 * if (x) STMT_START { ... } STMT_END; else ...
280 *
281 * Trying to select a version that gives no warnings...
282 */
283#if !(defined(STMT_START) && defined(STMT_END))
169d69b2 284# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
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285# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
286# define STMT_END )
287# else
288 /* Now which other defined()s do we need here ??? */
289# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
290# define STMT_START if (1)
291# define STMT_END else (void)0
292# else
293# define STMT_START do
294# define STMT_END while (0)
295# endif
296# endif
297#endif
298
0cb96387 299#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
61bb5906 300#define WITH_THR(s) STMT_START { dTHR; s; } STMT_END
ea0efc06 301
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302/*
303 * SOFT_CAST can be used for args to prototyped functions to retain some
304 * type checking; it only casts if the compiler does not know prototypes.
305 */
306#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
307#define SOFT_CAST(type)
308#else
309#define SOFT_CAST(type) (type)
310#endif
79072805 311
6ee623d5 312#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
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313# define BYTEORDER 0x1234
314#endif
315
316/* Overall memory policy? */
317#ifndef CONSERVATIVE
318# define LIBERAL 1
319#endif
320
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321#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
322#define ASCIIish
323#else
324#undef ASCIIish
325#endif
326
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327/*
328 * The following contortions are brought to you on behalf of all the
329 * standards, semi-standards, de facto standards, not-so-de-facto standards
330 * of the world, as well as all the other botches anyone ever thought of.
331 * The basic theory is that if we work hard enough here, the rest of the
332 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
333 */
ac58e20f 334
ee0007ab 335/* define this once if either system, instead of cluttering up the src */
1cab015a 336#if defined(MSDOS) || defined(atarist) || defined(WIN32)
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337#define DOSISH 1
338#endif
339
4d2c4e07 340#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC)
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341# define STANDARD_C 1
342#endif
343
8b0db79d 344#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__)
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345# define DONT_DECLARE_STD 1
346#endif
347
352d5a3a 348#if defined(HASVOLATILE) || defined(STANDARD_C)
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349# ifdef __cplusplus
350# define VOL // to temporarily suppress warnings
351# else
352# define VOL volatile
353# endif
663a0e37 354#else
79072805 355# define VOL
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356#endif
357
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358#define TAINT (PL_tainted = TRUE)
359#define TAINT_NOT (PL_tainted = FALSE)
360#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
361#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 362#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 363
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364/* XXX All process group stuff is handled in pp_sys.c. Should these
365 defines move there? If so, I could simplify this a lot. --AD 9/96.
366*/
367/* Process group stuff changed from traditional BSD to POSIX.
368 perlfunc.pod documents the traditional BSD-style syntax, so we'll
369 try to preserve that, if possible.
370*/
371#ifdef HAS_SETPGID
372# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 373#else
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374# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
375# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
376# else
377# ifdef HAS_SETPGRP2 /* DG/UX */
378# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
379# endif
380# endif
381#endif
382#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
383# define HAS_SETPGRP /* Well, effectively it does . . . */
384#endif
385
386/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
387 our life easier :-) so we'll try it.
388*/
389#ifdef HAS_GETPGID
390# define BSD_GETPGRP(pid) getpgid((pid))
391#else
392# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
393# define BSD_GETPGRP(pid) getpgrp((pid))
394# else
395# ifdef HAS_GETPGRP2 /* DG/UX */
396# define BSD_GETPGRP(pid) getpgrp2((pid))
397# endif
398# endif
399#endif
400#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
401# define HAS_GETPGRP /* Well, effectively it does . . . */
402#endif
403
404/* These are not exact synonyms, since setpgrp() and getpgrp() may
405 have different behaviors, but perl.h used to define USE_BSDPGRP
406 (prior to 5.003_05) so some extension might depend on it.
407*/
408#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
409# ifndef USE_BSDPGRP
410# define USE_BSDPGRP
411# endif
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412#endif
413
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414/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
415 pthread.h must be included before all other header files.
416*/
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417#if (defined(USE_THREADS) || defined(USE_ITHREADS)) \
418 && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
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419# include <pthread.h>
420#endif
421
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422#ifndef _TYPES_ /* If types.h defines this it's easy. */
423# ifndef major /* Does everyone's types.h define this? */
424# include <sys/types.h>
c07a80fd 425# endif
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426#endif
427
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428#ifdef __cplusplus
429# ifndef I_STDARG
430# define I_STDARG 1
431# endif
432#endif
433
434#ifdef I_STDARG
435# include <stdarg.h>
436#else
437# ifdef I_VARARGS
438# include <varargs.h>
439# endif
440#endif
441
4633a7c4 442#ifdef USE_NEXT_CTYPE
0c30d9ec 443
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444#if NX_CURRENT_COMPILER_RELEASE >= 500
445# include <bsd/ctypes.h>
446#else
447# if NX_CURRENT_COMPILER_RELEASE >= 400
448# include <objc/NXCType.h>
449# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
450# include <appkit/NXCType.h>
451# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
452#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
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453
454#else /* !USE_NEXT_CTYPE */
fe14fcc3 455#include <ctype.h>
0c30d9ec 456#endif /* USE_NEXT_CTYPE */
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457
458#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
459#undef METHOD
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460#endif
461
4633a7c4 462#ifdef I_LOCALE
36477c24 463# include <locale.h>
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464#endif
465
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466#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
467# define USE_LOCALE
468# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
469 && defined(HAS_STRXFRM)
470# define USE_LOCALE_COLLATE
471# endif
472# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
473# define USE_LOCALE_CTYPE
474# endif
475# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
476# define USE_LOCALE_NUMERIC
477# endif
478#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 479
fe14fcc3 480#include <setjmp.h>
79072805 481
a0d0e21e 482#ifdef I_SYS_PARAM
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483# ifdef PARAM_NEEDS_TYPES
484# include <sys/types.h>
485# endif
486# include <sys/param.h>
352d5a3a 487#endif
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488
489
490/* Use all the "standard" definitions? */
a0d0e21e 491#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 492# include <stdlib.h>
ff68c719 493#endif
03a14243 494
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495#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
496# define MYSWAP
497#endif
498
d18c6117 499#if !defined(PERL_FOR_X2P) && !defined(WIN32)
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500# include "embed.h"
501#endif
502
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503#define MEM_SIZE Size_t
504
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505#if defined(STANDARD_C) && defined(I_STDDEF)
506# include <stddef.h>
507# define STRUCT_OFFSET(s,m) offsetof(s,m)
508#else
509# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
510#endif
511
512#if defined(I_STRING) || defined(__cplusplus)
513# include <string.h>
514#else
515# include <strings.h>
516#endif
517
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518/* This comes after <stdlib.h> so we don't try to change the standard
519 * library prototypes; we'll use our own in proto.h instead. */
03a14243 520
4633a7c4 521#ifdef MYMALLOC
86058a2d 522# ifdef PERL_POLLUTE_MALLOC
ee13e175 523# ifndef PERL_EXTMALLOC_DEF
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524# define Perl_malloc malloc
525# define Perl_calloc calloc
526# define Perl_realloc realloc
527# define Perl_mfree free
ee13e175 528# endif
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529# else
530# define EMBEDMYMALLOC /* for compatibility */
531# endif
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532Malloc_t Perl_malloc (MEM_SIZE nbytes);
533Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
534Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
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535/* 'mfree' rather than 'free', since there is already a 'perl_free'
536 * that causes clashes with case-insensitive linkers */
20ce7b12 537Free_t Perl_mfree (Malloc_t where);
55497cff 538
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539typedef struct perl_mstats perl_mstats_t;
540
541struct perl_mstats {
542 unsigned long *nfree;
543 unsigned long *ntotal;
544 long topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
545 long total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
546 long minbucket;
547 /* Level 1 info */
548 unsigned long *bucket_mem_size;
549 unsigned long *bucket_available_size;
550};
551
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552# define safemalloc Perl_malloc
553# define safecalloc Perl_calloc
554# define saferealloc Perl_realloc
555# define safefree Perl_mfree
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556#else /* MYMALLOC */
557# define safemalloc safesysmalloc
558# define safecalloc safesyscalloc
559# define saferealloc safesysrealloc
560# define safefree safesysfree
55497cff 561#endif /* MYMALLOC */
4633a7c4 562
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563#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
564#define strchr index
565#define strrchr rindex
566#endif
567
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568#ifdef I_MEMORY
569# include <memory.h>
570#endif
571
fe14fcc3 572#ifdef HAS_MEMCPY
85e6fe83 573# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 574# ifndef memcpy
20ce7b12 575 extern char * memcpy (char*, char*, int);
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576# endif
577# endif
578#else
579# ifndef memcpy
580# ifdef HAS_BCOPY
581# define memcpy(d,s,l) bcopy(s,d,l)
582# else
583# define memcpy(d,s,l) my_bcopy(s,d,l)
584# endif
585# endif
586#endif /* HAS_MEMCPY */
fe14fcc3 587
ee0007ab 588#ifdef HAS_MEMSET
85e6fe83 589# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 590# ifndef memset
20ce7b12 591 extern char *memset (char*, int, int);
ee0007ab
LW
592# endif
593# endif
ee0007ab 594#else
fc36a67e 595# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
596#endif /* HAS_MEMSET */
597
85e6fe83 598#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 599# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
600# define memmove(d,s,l) bcopy(s,d,l)
601# else
2304df62 602# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 603# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 604# else
79072805 605# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 606# endif
352d5a3a 607# endif
d9d8d8de 608#endif
ee0007ab 609
36477c24
PP
610#if defined(mips) && defined(ultrix) && !defined(__STDC__)
611# undef HAS_MEMCMP
612#endif
613
614#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 615# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 616# ifndef memcmp
20ce7b12 617 extern int memcmp (char*, char*, int);
ee0007ab
LW
618# endif
619# endif
36477c24
PP
620# ifdef BUGGY_MSC
621 # pragma function(memcmp)
622# endif
ee0007ab
LW
623#else
624# ifndef memcmp
ecfc5424 625# define memcmp my_memcmp
352d5a3a 626# endif
36477c24 627#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 628
fc36a67e 629#ifndef memzero
c635e13b
PP
630# ifdef HAS_MEMSET
631# define memzero(d,l) memset(d,0,l)
79072805 632# else
c635e13b
PP
633# ifdef HAS_BZERO
634# define memzero(d,l) bzero(d,l)
79072805 635# else
fc36a67e 636# define memzero(d,l) my_bzero(d,l)
79072805
LW
637# endif
638# endif
d9d8d8de 639#endif
378cc40b 640
0f27ced1
JH
641#ifndef memchr
642# ifndef HAS_MEMCHR
643# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
644# endif
645#endif
646
36477c24
PP
647#ifndef HAS_BCMP
648# ifndef bcmp
649# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 650# endif
36477c24 651#endif /* !HAS_BCMP */
378cc40b 652
ae986130 653#ifdef I_NETINET_IN
79072805 654# include <netinet/in.h>
ae986130
LW
655#endif
656
28e8609d
JH
657#ifdef I_ARPA_INET
658# include <arpa/inet.h>
659#endif
660
84902520
TB
661#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
662/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
663 * (the neo-BSD seem to do this). */
664# undef SF_APPEND
665#endif
666
1aef975c 667#ifdef I_SYS_STAT
84902520 668# include <sys/stat.h>
1aef975c 669#endif
79072805 670
a0d0e21e
LW
671/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
672 like UTekV) are broken, sometimes giving false positives. Undefine
673 them here and let the code below set them to proper values.
674
675 The ghs macro stands for GreenHills Software C-1.8.5 which
676 is the C compiler for sysV88 and the various derivatives.
677 This header file bug is corrected in gcc-2.5.8 and later versions.
678 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
679
680#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
681# undef S_ISDIR
682# undef S_ISCHR
683# undef S_ISBLK
684# undef S_ISREG
685# undef S_ISFIFO
686# undef S_ISLNK
ee0007ab 687#endif
135863df 688
663a0e37
LW
689#ifdef I_TIME
690# include <time.h>
ffed7fef 691#endif
663a0e37 692
fe14fcc3 693#ifdef I_SYS_TIME
85e6fe83 694# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
695# define KERNEL
696# endif
697# include <sys/time.h>
85e6fe83 698# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
699# undef KERNEL
700# endif
a687059c 701#endif
135863df 702
55497cff 703#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 704# include <sys/times.h>
d9d8d8de 705#endif
8d063cd8 706
fe14fcc3 707#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 708# undef HAS_STRERROR
663a0e37
LW
709#endif
710
711#include <errno.h>
ed6116ce 712#ifdef HAS_SOCKET
85e6fe83 713# ifdef I_NET_ERRNO
ed6116ce
LW
714# include <net/errno.h>
715# endif
716#endif
f86702cc
PP
717
718#ifdef VMS
719# define SETERRNO(errcode,vmserrcode) \
720 STMT_START { \
721 set_errno(errcode); \
722 set_vaxc_errno(vmserrcode); \
723 } STMT_END
748a9306 724#else
aba27d88 725# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
748a9306 726#endif
ed6116ce 727
38a03e6e
MB
728#ifdef USE_THREADS
729# define ERRSV (thr->errsv)
940cb80d
MB
730# define DEFSV THREADSV(0)
731# define SAVE_DEFSV save_threadsv(0)
38a03e6e 732#else
3280af22 733# define ERRSV GvSV(PL_errgv)
3280af22
NIS
734# define DEFSV GvSV(PL_defgv)
735# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e
MB
736#endif /* USE_THREADS */
737
98eae8f5
GS
738#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
739
55497cff 740#ifndef errno
5ff3f7a4
GS
741 extern int errno; /* ANSI allows errno to be an lvalue expr.
742 * For example in multithreaded environments
743 * something like this might happen:
744 * extern int *_errno(void);
745 * #define errno (*_errno()) */
d9d8d8de 746#endif
663a0e37 747
2304df62 748#ifdef HAS_STRERROR
a0d0e21e 749# ifdef VMS
20ce7b12 750 char *strerror (int,...);
a0d0e21e 751# else
68dc0745 752#ifndef DONT_DECLARE_STD
20ce7b12 753 char *strerror (int);
68dc0745 754#endif
a0d0e21e 755# endif
2304df62
AD
756# ifndef Strerror
757# define Strerror strerror
758# endif
759#else
760# ifdef HAS_SYS_ERRLIST
79072805
LW
761 extern int sys_nerr;
762 extern char *sys_errlist[];
2304df62
AD
763# ifndef Strerror
764# define Strerror(e) \
79072805 765 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 766# endif
79072805 767# endif
35c8bce7 768#endif
663a0e37 769
2304df62 770#ifdef I_SYS_IOCTL
79072805
LW
771# ifndef _IOCTL_
772# include <sys/ioctl.h>
773# endif
a687059c
LW
774#endif
775
ee0007ab 776#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
777# ifdef HAS_SOCKETPAIR
778# undef HAS_SOCKETPAIR
779# endif
2304df62
AD
780# ifdef I_NDBM
781# undef I_NDBM
79072805 782# endif
a687059c
LW
783#endif
784
a687059c 785#if INTSIZE == 2
79072805
LW
786# define htoni htons
787# define ntohi ntohs
a687059c 788#else
79072805
LW
789# define htoni htonl
790# define ntohi ntohl
a687059c
LW
791#endif
792
a0d0e21e 793/* Configure already sets Direntry_t */
35c8bce7 794#if defined(I_DIRENT)
663a0e37 795# include <dirent.h>
8f1f23e8
W
796 /* NeXT needs dirent + sys/dir.h */
797# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
798# include <sys/dir.h>
799# endif
ae986130 800#else
fe14fcc3 801# ifdef I_SYS_NDIR
79a0689e 802# include <sys/ndir.h>
663a0e37 803# else
fe14fcc3 804# ifdef I_SYS_DIR
79a0689e
LW
805# ifdef hp9000s500
806# include <ndir.h> /* may be wrong in the future */
807# else
808# include <sys/dir.h>
809# endif
663a0e37
LW
810# endif
811# endif
4633a7c4 812#endif
a687059c 813
352d5a3a
LW
814#ifdef FPUTS_BOTCH
815/* work around botch in SunOS 4.0.1 and 4.0.2 */
816# ifndef fputs
79072805 817# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
818# endif
819#endif
820
c623bd54
LW
821/*
822 * The following gobbledygook brought to you on behalf of __STDC__.
823 * (I could just use #ifndef __STDC__, but this is more bulletproof
824 * in the face of half-implementations.)
825 */
826
ca6e1c26
JH
827#ifdef I_SYSMODE
828#include <sys/mode.h>
829#endif
830
c623bd54
LW
831#ifndef S_IFMT
832# ifdef _S_IFMT
833# define S_IFMT _S_IFMT
834# else
835# define S_IFMT 0170000
836# endif
837#endif
838
839#ifndef S_ISDIR
840# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
841#endif
842
843#ifndef S_ISCHR
844# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
845#endif
846
847#ifndef S_ISBLK
fe14fcc3
LW
848# ifdef S_IFBLK
849# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
850# else
851# define S_ISBLK(m) (0)
852# endif
c623bd54
LW
853#endif
854
855#ifndef S_ISREG
856# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
857#endif
858
859#ifndef S_ISFIFO
fe14fcc3
LW
860# ifdef S_IFIFO
861# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
862# else
863# define S_ISFIFO(m) (0)
864# endif
c623bd54
LW
865#endif
866
867#ifndef S_ISLNK
868# ifdef _S_ISLNK
869# define S_ISLNK(m) _S_ISLNK(m)
870# else
871# ifdef _S_IFLNK
872# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
873# else
874# ifdef S_IFLNK
875# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
876# else
877# define S_ISLNK(m) (0)
878# endif
879# endif
880# endif
881#endif
882
883#ifndef S_ISSOCK
884# ifdef _S_ISSOCK
885# define S_ISSOCK(m) _S_ISSOCK(m)
886# else
887# ifdef _S_IFSOCK
888# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
889# else
890# ifdef S_IFSOCK
891# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
892# else
893# define S_ISSOCK(m) (0)
894# endif
895# endif
896# endif
897#endif
898
899#ifndef S_IRUSR
900# ifdef S_IREAD
901# define S_IRUSR S_IREAD
902# define S_IWUSR S_IWRITE
903# define S_IXUSR S_IEXEC
904# else
905# define S_IRUSR 0400
906# define S_IWUSR 0200
907# define S_IXUSR 0100
908# endif
fac7cdfc 909#endif
910
911#ifndef S_IRGRP
912# ifdef S_IRUSR
913# define S_IRGRP (S_IRUSR>>3)
914# define S_IWGRP (S_IWUSR>>3)
915# define S_IXGRP (S_IXUSR>>3)
916# else
917# define S_IRGRP 0040
918# define S_IWGRP 0020
919# define S_IXGRP 0010
920# endif
921#endif
922
923#ifndef S_IROTH
924# ifdef S_IRUSR
925# define S_IROTH (S_IRUSR>>6)
926# define S_IWOTH (S_IWUSR>>6)
927# define S_IXOTH (S_IXUSR>>6)
928# else
929# define S_IROTH 0040
930# define S_IWOTH 0020
931# define S_IXOTH 0010
932# endif
c623bd54
LW
933#endif
934
935#ifndef S_ISUID
936# define S_ISUID 04000
937#endif
938
939#ifndef S_ISGID
940# define S_ISGID 02000
941#endif
942
ca6e1c26
JH
943#ifndef S_IRWXU
944# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
945#endif
946
947#ifndef S_IRWXG
948# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
949#endif
950
951#ifndef S_IRWXO
952# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
953#endif
954
955#ifndef S_IREAD
956# define S_IREAD S_IRUSR
957#endif
958
959#ifndef S_IWRITE
960# define S_IWRITE S_IWUSR
961#endif
962
963#ifndef S_IEXEC
964# define S_IEXEC S_IXUSR
965#endif
966
79072805
LW
967#ifdef ff_next
968# undef ff_next
352d5a3a
LW
969#endif
970
a0d0e21e 971#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
972# define SLOPPYDIVIDE
973#endif
974
748a9306
LW
975#ifdef UV
976#undef UV
977#endif
978
05f13f53 979/*
27d4fb96
PP
980 The IV type is supposed to be long enough to hold any integral
981 value or a pointer.
982 --Andy Dougherty August 1996
983*/
984
a22e52b9
JH
985typedef IVTYPE IV;
986typedef UVTYPE UV;
8175356b 987
de1c2614 988#if defined(USE_64_BITS) && defined(HAS_QUAD)
6b8eaf93 989# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
990# define IV_MAX INT64_MAX
991# define IV_MIN INT64_MIN
992# define UV_MAX UINT64_MAX
cae7ae48
JH
993# ifndef UINT64_MIN
994# define UINT64_MIN 0
995# endif
5ff3f7a4
GS
996# define UV_MIN UINT64_MIN
997# else
998# define IV_MAX PERL_QUAD_MAX
999# define IV_MIN PERL_QUAD_MIN
1000# define UV_MAX PERL_UQUAD_MAX
1001# define UV_MIN PERL_UQUAD_MIN
1002# endif
cf2093f6
JH
1003# define IV_IS_QUAD
1004# define UV_IS_QUAD
79072805 1005#else
8175356b 1006# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1007# define IV_MAX INT32_MAX
1008# define IV_MIN INT32_MIN
716026f9
DL
1009# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1010# define UV_MAX UINT32_MAX
1011# else
1012# define UV_MAX 4294967295U
1013# endif
cae7ae48
JH
1014# ifndef UINT32_MIN
1015# define UINT32_MIN 0
1016# endif
5ff3f7a4
GS
1017# define UV_MIN UINT32_MIN
1018# else
1019# define IV_MAX PERL_LONG_MAX
1020# define IV_MIN PERL_LONG_MIN
1021# define UV_MAX PERL_ULONG_MAX
1022# define UV_MIN PERL_ULONG_MIN
1023# endif
8175356b 1024# if IVSIZE == 8
cf2093f6
JH
1025# define IV_IS_QUAD
1026# define UV_IS_QUAD
de1c2614
JH
1027# ifndef HAS_QUAD
1028# define HAS_QUAD
1029# endif
cf2093f6
JH
1030# else
1031# undef IV_IS_QUAD
1032# undef UV_IS_QUAD
de1c2614 1033# undef HAS_QUAD
cf2093f6 1034# endif
79072805 1035#endif
d7d93a81 1036
cae7ae48 1037#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1038#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1039
26bb67e2
JH
1040/*
1041 * The macros INT2PTR and NUM2PTR are (despite their names)
1042 * bi-directional: they will convert int/float to or from pointers.
1043 * However the conversion to int/float are named explicitly:
1044 * PTR2IV, PTR2UV, PTR2NV.
1045 *
1046 * For int conversions we do not need two casts if pointers are
1047 * the same size as IV and UV. Otherwise we need an explicit
1048 * cast (PTRV) to avoid compiler warnings.
1049 */
56431972
RB
1050#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1051# define PTRV UV
1052# define INT2PTR(any,d) (any)(d)
1053#else
42718184 1054# if PTRSIZE == LONGSIZE
56431972 1055# define PTRV unsigned long
42718184 1056# else
56431972 1057# define PTRV unsigned
42718184 1058# endif
56431972 1059# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1060#endif
56431972
RB
1061#define NUM2PTR(any,d) (any)(PTRV)(d)
1062#define PTR2IV(p) INT2PTR(IV,p)
1063#define PTR2UV(p) INT2PTR(UV,p)
1064#define PTR2NV(p) NUM2PTR(NV,p)
42718184 1065
65202027 1066#ifdef USE_LONG_DOUBLE
68d4903c 1067# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1068# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1069# endif
1070#endif
1071
2d4389e4
JH
1072#ifdef OVR_DBL_DIG
1073/* Use an overridden DBL_DIG */
1074# ifdef DBL_DIG
1075# undef DBL_DIG
1076# endif
1077# define DBL_DIG OVR_DBL_DIG
1078#else
1079/* The following is all to get DBL_DIG, in order to pick a nice
1080 default value for printing floating point numbers in Gconvert.
1081 (see config.h)
1082*/
1083#ifdef I_LIMITS
1084#include <limits.h>
1085#endif
1086#ifdef I_FLOAT
1087#include <float.h>
1088#endif
1089#ifndef HAS_DBL_DIG
1090#define DBL_DIG 15 /* A guess that works lots of places */
1091#endif
1092#endif
cbca01e1
JH
1093#ifdef I_FLOAT
1094#include <float.h>
1095#endif
1096#ifndef HAS_DBL_DIG
1097#define DBL_DIG 15 /* A guess that works lots of places */
1098#endif
2d4389e4
JH
1099
1100#ifdef OVR_LDBL_DIG
1101/* Use an overridden LDBL_DIG */
1102# ifdef LDBL_DIG
1103# undef LDBL_DIG
1104# endif
1105# define LDBL_DIG OVR_LDBL_DIG
1106#else
1107/* The following is all to get LDBL_DIG, in order to pick a nice
1108 default value for printing floating point numbers in Gconvert.
1109 (see config.h)
1110*/
68d4903c
JH
1111# ifdef I_LIMITS
1112# include <limits.h>
1113# endif
1114# ifdef I_FLOAT
1115# include <float.h>
1116# endif
1117# ifndef HAS_LDBL_DIG
1118# if LONG_DOUBLESIZE == 10
1119# define LDBL_DIG 18 /* assume IEEE */
1120# else
1121# if LONG_DOUBLESIZE == 12
1122# define LDBL_DIG 18 /* gcc? */
1123# else
1124# if LONG_DOUBLESIZE == 16
1125# define LDBL_DIG 33 /* assume IEEE */
1126# else
1127# if LONG_DOUBLESIZE == DOUBLESIZE
1128# define LDBL_DIG DBL_DIG /* bummer */
1129# endif
1130# endif
1131# endif
1132# endif
1133# endif
2d4389e4
JH
1134#endif
1135
a22e52b9 1136typedef NVTYPE NV;
8175356b 1137
65202027 1138#ifdef USE_LONG_DOUBLE
2d4389e4 1139# define NV_DIG LDBL_DIG
68d4903c
JH
1140# ifdef HAS_SQRTL
1141# define Perl_modf modfl
1142# define Perl_frexp frexpl
1143# define Perl_cos cosl
1144# define Perl_sin sinl
1145# define Perl_sqrt sqrtl
1146# define Perl_exp expl
1147# define Perl_log logl
1148# define Perl_atan2 atan2l
1149# define Perl_pow powl
1150# define Perl_floor floorl
1151# define Perl_fmod fmodl
1152# endif
65202027 1153#else
2d4389e4 1154# define NV_DIG DBL_DIG
65202027
DS
1155# define Perl_modf modf
1156# define Perl_frexp frexp
1157# define Perl_cos cos
1158# define Perl_sin sin
1159# define Perl_sqrt sqrt
1160# define Perl_exp exp
1161# define Perl_log log
1162# define Perl_atan2 atan2
1163# define Perl_pow pow
1164# define Perl_floor floor
65202027
DS
1165# define Perl_fmod fmod
1166#endif
1167
76d49b1c 1168#if !defined(Perl_atof) && defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE)
ff935051 1169# if !defined(Perl_atof) && defined(HAS_STRTOLD)
fc68435e 1170# define Perl_atof(s) strtold(s, (char**)NULL)
ff935051
JH
1171# endif
1172# if !defined(Perl_atof) && defined(HAS_ATOLF)
1173# define Perl_atof atolf
1174# endif
1175#endif
1176#if !defined(Perl_atof)
1177# define Perl_atof atof /* we assume atof being available anywhere */
cf2093f6
JH
1178#endif
1179
760ac839
LW
1180/* Previously these definitions used hardcoded figures.
1181 * It is hoped these formula are more portable, although
1182 * no data one way or another is presently known to me.
1183 * The "PERL_" names are used because these calculated constants
1184 * do not meet the ANSI requirements for LONG_MAX, etc., which
1185 * need to be constants acceptable to #if - kja
1186 * define PERL_LONG_MAX 2147483647L
1187 * define PERL_LONG_MIN (-LONG_MAX - 1)
1188 * define PERL ULONG_MAX 4294967295L
1189 */
1190
1191#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1192# include <limits.h>
1193#else
1194#ifdef I_VALUES
1195# include <values.h>
1196#endif
1197#endif
1198
99abf803
PP
1199/*
1200 * Try to figure out max and min values for the integral types. THE CORRECT
1201 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1202 * following hacks are used if neither limits.h or values.h provide them:
1203 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1204 * for types < int: (unsigned TYPE)~(unsigned)0
1205 * The argument to ~ must be unsigned so that later signed->unsigned
1206 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1207 * and it must not be smaller than int because ~ does integral promotion.
1208 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1209 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1210 * The latter is a hack which happens to work on some machines but
1211 * does *not* catch any random system, or things like integer types
1212 * with NaN if that is possible.
1213 *
1214 * All of the types are explicitly cast to prevent accidental loss of
1215 * numeric range, and in the hope that they will be less likely to confuse
1216 * over-eager optimizers.
1217 *
1218 */
27d4fb96 1219
99abf803
PP
1220#define PERL_UCHAR_MIN ((unsigned char)0)
1221
1222#ifdef UCHAR_MAX
1223# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1224#else
99abf803
PP
1225# ifdef MAXUCHAR
1226# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1227# else
99abf803 1228# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
1229# endif
1230#endif
99abf803
PP
1231
1232/*
1233 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1234 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1235 * depending on local options. Until Configure detects this (or at least
1236 * detects whether the "signed" keyword is available) the CHAR ranges
1237 * will not be included. UCHAR functions normally.
1238 * - kja
1239 */
27d4fb96 1240
99abf803
PP
1241#define PERL_USHORT_MIN ((unsigned short)0)
1242
1243#ifdef USHORT_MAX
1244# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1245#else
99abf803
PP
1246# ifdef MAXUSHORT
1247# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1248# else
ef2f54b0
CB
1249# ifdef USHRT_MAX
1250# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1251# else
1252# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1253# endif
27d4fb96
PP
1254# endif
1255#endif
1256
27d4fb96 1257#ifdef SHORT_MAX
99abf803 1258# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
1259#else
1260# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1261# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1262# else
ef2f54b0
CB
1263# ifdef SHRT_MAX
1264# define PERL_SHORT_MAX ((short)SHRT_MAX)
1265# else
1266# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1267# endif
27d4fb96
PP
1268# endif
1269#endif
1270
1271#ifdef SHORT_MIN
99abf803 1272# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
1273#else
1274# ifdef MINSHORT
99abf803 1275# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1276# else
ef2f54b0
CB
1277# ifdef SHRT_MIN
1278# define PERL_SHORT_MIN ((short)SHRT_MIN)
1279# else
1280# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1281# endif
27d4fb96
PP
1282# endif
1283#endif
1284
99abf803
PP
1285#ifdef UINT_MAX
1286# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1287#else
99abf803
PP
1288# ifdef MAXUINT
1289# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1290# else
99abf803 1291# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
1292# endif
1293#endif
1294
99abf803 1295#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
1296
1297#ifdef INT_MAX
99abf803 1298# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
1299#else
1300# ifdef MAXINT /* Often used in <values.h> */
99abf803 1301# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1302# else
99abf803 1303# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
1304# endif
1305#endif
1306
1307#ifdef INT_MIN
99abf803 1308# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
1309#else
1310# ifdef MININT
99abf803 1311# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
1312# else
1313# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1314# endif
1315#endif
1316
99abf803
PP
1317#ifdef ULONG_MAX
1318# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1319#else
99abf803
PP
1320# ifdef MAXULONG
1321# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1322# else
99abf803 1323# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
1324# endif
1325#endif
1326
99abf803 1327#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1328
760ac839 1329#ifdef LONG_MAX
99abf803 1330# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
1331#else
1332# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1333# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1334# else
99abf803 1335# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
1336# endif
1337#endif
1338
1339#ifdef LONG_MIN
99abf803 1340# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
1341#else
1342# ifdef MINLONG
99abf803 1343# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1344# else
27d4fb96 1345# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
1346# endif
1347#endif
1348
d7d93a81 1349#ifdef UV_IS_QUAD
99abf803
PP
1350
1351# ifdef UQUAD_MAX
1352# define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
760ac839 1353# else
99abf803 1354# define PERL_UQUAD_MAX (~(UV)0)
760ac839 1355# endif
760ac839 1356
99abf803 1357# define PERL_UQUAD_MIN ((UV)0)
27d4fb96 1358
27d4fb96 1359# ifdef QUAD_MAX
99abf803 1360# define PERL_QUAD_MAX ((IV)QUAD_MAX)
27d4fb96 1361# else
99abf803 1362# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
27d4fb96
PP
1363# endif
1364
1365# ifdef QUAD_MIN
99abf803 1366# define PERL_QUAD_MIN ((IV)QUAD_MIN)
27d4fb96 1367# else
a6e633de 1368# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96
PP
1369# endif
1370
79072805
LW
1371#endif
1372
ee0007ab 1373typedef MEM_SIZE STRLEN;
450a55e4 1374
79072805
LW
1375typedef struct op OP;
1376typedef struct cop COP;
1377typedef struct unop UNOP;
1378typedef struct binop BINOP;
1379typedef struct listop LISTOP;
1380typedef struct logop LOGOP;
79072805
LW
1381typedef struct pmop PMOP;
1382typedef struct svop SVOP;
7934575e 1383typedef struct padop PADOP;
79072805 1384typedef struct pvop PVOP;
79072805
LW
1385typedef struct loop LOOP;
1386
93a17b20 1387typedef struct interpreter PerlInterpreter;
79072805
LW
1388typedef struct sv SV;
1389typedef struct av AV;
1390typedef struct hv HV;
1391typedef struct cv CV;
378cc40b 1392typedef struct regexp REGEXP;
79072805 1393typedef struct gp GP;
0c30d9ec 1394typedef struct gv GV;
8990e307 1395typedef struct io IO;
c09156bb 1396typedef struct context PERL_CONTEXT;
79072805
LW
1397typedef struct block BLOCK;
1398
1399typedef struct magic MAGIC;
ed6116ce 1400typedef struct xrv XRV;
79072805
LW
1401typedef struct xpv XPV;
1402typedef struct xpviv XPVIV;
ff68c719 1403typedef struct xpvuv XPVUV;
79072805
LW
1404typedef struct xpvnv XPVNV;
1405typedef struct xpvmg XPVMG;
1406typedef struct xpvlv XPVLV;
1407typedef struct xpvav XPVAV;
1408typedef struct xpvhv XPVHV;
1409typedef struct xpvgv XPVGV;
1410typedef struct xpvcv XPVCV;
1411typedef struct xpvbm XPVBM;
1412typedef struct xpvfm XPVFM;
8990e307 1413typedef struct xpvio XPVIO;
79072805
LW
1414typedef struct mgvtbl MGVTBL;
1415typedef union any ANY;
5f7fde29
GS
1416typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1417typedef struct ptr_tbl PTR_TBL_t;
8d063cd8 1418
378cc40b 1419#include "handy.h"
a0d0e21e 1420
6b8eaf93
JH
1421#ifndef NO_LARGE_FILES
1422# define USE_LARGE_FILES /* If available. */
d9b3e12d
JH
1423#endif
1424
6b8eaf93
JH
1425#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
1426# define USE_64_BIT_RAWIO /* explicit */
1427# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1428# define USE_64_BIT_RAWIO /* implicit */
1429# endif
4564133c
JH
1430#endif
1431
6b8eaf93
JH
1432/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1433 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1434 * however, because operating systems like to do that themself. */
1435#ifndef FSEEKSIZE
1436# ifdef HAS_FSEEKO
1437# define FSEEKSIZE LSEEKSIZE
1438# else
1439# define FSEEKSIZE LONGSIZE
1440# endif
1441#endif
1442
1443#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
1444# define USE_64_BIT_STDIO /* explicit */
1445# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1446# define USE_64_BIT_STDIO /* implicit */
1447# endif
1448#endif
4564133c 1449
09458382 1450#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
1451# ifdef HAS_OFF64_T
1452# undef Off_t
1453# define Off_t off64_t
1454# undef LSEEKSIZE
1455# define LSEEKSIZE 8
5ff3f7a4 1456# endif
d9b3e12d
JH
1457/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1458 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1459 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
1460# if defined(USE_OPEN64)
1461# define open open64
5ff3f7a4 1462# endif
d9b3e12d
JH
1463# if defined(USE_LSEEK64)
1464# define lseek lseek64
6b8eaf93
JH
1465# else
1466# if defined(USE_LLSEEK)
1467# define lseek llseek
1468# endif
d9b3e12d
JH
1469# endif
1470# if defined(USE_STAT64)
1471# define stat stat64
1472# endif
1473# if defined(USE_FSTAT64)
1474# define fstat fstat64
1475# endif
1476# if defined(USE_LSTAT64)
1477# define lstat lstat64
1478# endif
1479# if defined(USE_FLOCK64)
1480# define flock flock64
1481# endif
1482# if defined(USE_LOCKF64)
1483# define lockf lockf64
1484# endif
1485# if defined(USE_FCNTL64)
1486# define fcntl fcntl64
1487# endif
1488# if defined(USE_TRUNCATE64)
1489# define truncate truncate64
1490# endif
1491# if defined(USE_FTRUNCATE64)
1492# define ftruncate ftruncate64
1493# endif
1494#endif
1495
1496#ifdef USE_64_BIT_STDIO
1497# ifdef HAS_FPOS64_T
1498# undef Fpos_t
1499# define Fpos_t fpos64_t
1500# endif
1501/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1502 * will trigger defines like the ones below. Some 64-bit environments,
1503 * however, do not. */
1504# if defined(USE_FOPEN64)
1505# define fopen fopen64
1506# endif
1507# if defined(USE_FSEEK64)
6b8eaf93 1508# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
1509# endif
1510# if defined(USE_FTELL64)
6b8eaf93 1511# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
1512# endif
1513# if defined(USE_FSETPOS64)
1514# define fsetpos fsetpos64
1515# endif
1516# if defined(USE_FGETPOS64)
1517# define fgetpos fgetpos64
1518# endif
1519# if defined(USE_TMPFILE64)
1520# define tmpfile tmpfile64
1521# endif
1522# if defined(USE_FREOPEN64)
1523# define freopen freopen64
5ff3f7a4
GS
1524# endif
1525#endif
1526
2c2d71f5
JH
1527#if defined(OS2)
1528# include "iperlsys.h"
1529#endif
1530
6f71a643
JH
1531#if defined(__OPEN_VM)
1532# include "vmesa/vmesaish.h"
1533#endif
1534
748a9306 1535#ifdef DOSISH
4633a7c4
LW
1536# if defined(OS2)
1537# include "os2ish.h"
1538# else
748a9306 1539# include "dosish.h"
4633a7c4 1540# endif
a0d0e21e 1541#else
748a9306
LW
1542# if defined(VMS)
1543# include "vmsish.h"
1544# else
0c30d9ec
PP
1545# if defined(PLAN9)
1546# include "./plan9/plan9ish.h"
1547# else
1d84e8df
JH
1548# if defined(MPE)
1549# include "mpeix/mpeixish.h"
1550# else
495c5fdc
GP
1551# if defined(__VOS__)
1552# include "vosish.h"
1553# else
4d2c4e07
OF
1554# if defined(EPOC)
1555# include "epocish.h"
1556# else
cd39f2b6
JH
1557# if defined(MACOS_TRADITIONAL)
1558# include "macos/macish.h"
1559# else
1560# include "unixish.h"
1561# endif
4d2c4e07 1562# endif
495c5fdc 1563# endif
1d84e8df 1564# endif
0c30d9ec 1565# endif
748a9306 1566# endif
32f822de
GS
1567#endif
1568
ed344e4f
IZ
1569#ifndef PERL_SYS_INIT3
1570# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1571#endif
1572
0f31cffe
GS
1573#ifndef MAXPATHLEN
1574# ifdef PATH_MAX
b990c8b2
JH
1575# ifdef _POSIX_PATH_MAX
1576# if PATH_MAX > _POSIX_PATH_MAX
1577/* MAXPATHLEN is supposed to include the final null character,
1578 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1579# define MAXPATHLEN (PATH_MAX+1)
1580# else
1581# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1582# endif
1583# else
1584# define MAXPATHLEN (PATH_MAX+1)
1585# endif
0f31cffe 1586# else
b990c8b2
JH
1587# ifdef _POSIX_PATH_MAX
1588# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1589# else
1590# define MAXPATHLEN 1024 /* Err on the large side. */
1591# endif
0f31cffe
GS
1592# endif
1593#endif
1594
32f822de 1595/*
dd96f567
IZ
1596 * USE_THREADS needs to be after unixish.h as <pthread.h> includes
1597 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
1598 * this results in many functions being undeclared which bothers C++
1599 * May make sense to have threads after "*ish.h" anyway
1600 */
1601
1feb2720
GS
1602#if defined(USE_THREADS) || defined(USE_ITHREADS)
1603# if defined(USE_THREADS)
79d59c5f
GS
1604 /* pending resolution of licensing issues, we avoid the erstwhile
1605 * atomic.h everywhere */
1606# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1607# endif
32f822de
GS
1608# ifdef FAKE_THREADS
1609# include "fakethr.h"
1610# else
1611# ifdef WIN32
1612# include <win32thread.h>
1613# else
dd96f567
IZ
1614# ifdef OS2
1615# include "os2thread.h"
1616# else
7f3d1cf1 1617# ifdef I_MACH_CTHREADS
bdd66968 1618# include <mach/cthreads.h>
8f1f23e8 1619# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
1620# define MUTEX_INIT_CALLS_MALLOC
1621# endif
7f3d1cf1
BH
1622typedef cthread_t perl_os_thread;
1623typedef mutex_t perl_mutex;
1624typedef condition_t perl_cond;
1625typedef void * perl_key;
1626# else /* Posix threads */
1f5ae88c
JH
1627# ifdef I_PTHREAD
1628# include <pthread.h>
1629# endif
7f3d1cf1
BH
1630typedef pthread_t perl_os_thread;
1631typedef pthread_mutex_t perl_mutex;
1632typedef pthread_cond_t perl_cond;
1633typedef pthread_key_t perl_key;
1634# endif /* I_MACH_CTHREADS */
dd96f567 1635# endif /* OS2 */
32f822de
GS
1636# endif /* WIN32 */
1637# endif /* FAKE_THREADS */
1feb2720 1638#endif /* USE_THREADS || USE_ITHREADS */
c5be433b
GS
1639
1640#ifdef WIN32
1feb2720 1641# include "win32.h"
c5be433b
GS
1642#endif
1643
68dc0745 1644#ifdef VMS
6b88bc9c 1645# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 1646# define STATUS_NATIVE_EXPORT \
6b88bc9c 1647 ((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms)
68dc0745
PP
1648# define STATUS_NATIVE_SET(n) \
1649 STMT_START { \
6b88bc9c
GS
1650 PL_statusvalue_vms = (n); \
1651 if ((I32)PL_statusvalue_vms == -1) \
3280af22 1652 PL_statusvalue = -1; \
6b88bc9c 1653 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 1654 PL_statusvalue = 0; \
6b88bc9c
GS
1655 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
1656 PL_statusvalue = 1 << 8; \
68dc0745 1657 else \
6b88bc9c 1658 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 1659 } STMT_END
3280af22 1660# define STATUS_POSIX PL_statusvalue
68dc0745
PP
1661# ifdef VMSISH_STATUS
1662# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1663# else
1664# define STATUS_CURRENT STATUS_POSIX
1665# endif
1666# define STATUS_POSIX_SET(n) \
1667 STMT_START { \
3280af22
NIS
1668 PL_statusvalue = (n); \
1669 if (PL_statusvalue != -1) { \
1670 PL_statusvalue &= 0xFFFF; \
6b88bc9c 1671 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 1672 } \
6b88bc9c 1673 else PL_statusvalue_vms = -1; \
68dc0745 1674 } STMT_END
6b88bc9c
GS
1675# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
1676# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745
PP
1677#else
1678# define STATUS_NATIVE STATUS_POSIX
1679# define STATUS_NATIVE_EXPORT STATUS_POSIX
1680# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 1681# define STATUS_POSIX PL_statusvalue
68dc0745
PP
1682# define STATUS_POSIX_SET(n) \
1683 STMT_START { \
3280af22
NIS
1684 PL_statusvalue = (n); \
1685 if (PL_statusvalue != -1) \
1686 PL_statusvalue &= 0xFFFF; \
68dc0745
PP
1687 } STMT_END
1688# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS
1689# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
1690# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745
PP
1691#endif
1692
cc3604b1
GS
1693/* flags in PL_exit_flags for nature of exit() */
1694#define PERL_EXIT_EXPECTED 0x01
1695
0b94c7bb 1696#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
1697# define MEMBER_TO_FPTR(name) name
1698#endif
1699
1700/* format to use for version numbers in file/directory names */
273cf8d1 1701/* XXX move to Configure? */
a7cb1f99 1702#ifndef PERL_FS_VER_FMT
273cf8d1 1703# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
1704#endif
1705
45bc9206
GS
1706/* This defines a way to flush all output buffers. This may be a
1707 * performance issue, so we allow people to disable it.
45bc9206
GS
1708 */
1709#ifndef PERL_FLUSHALL_FOR_CHILD
767df6a1 1710# if defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 1711# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
1712# else
1713# ifdef FFLUSH_ALL
1714# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 1715# else
c5be433b 1716# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 1717# endif
66fe083f 1718# endif
45bc9206
GS
1719#endif
1720
7766f137
GS
1721#ifndef PERL_WAIT_FOR_CHILDREN
1722# define PERL_WAIT_FOR_CHILDREN NOOP
1723#endif
1724
651a3225
GS
1725/* the traditional thread-unsafe notion of "current interpreter".
1726 * XXX todo: a thread-safe version that fetches it from TLS (akin to THR)
1727 * needs to be defined elsewhere (conditional on pthread_getspecific()
1728 * availability). */
c5be433b
GS
1729#ifndef PERL_SET_INTERP
1730# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
1731#endif
1732
1733#ifndef PERL_GET_INTERP
1734# define PERL_GET_INTERP (PL_curinterp)
1735#endif
1736
54aff467
GS
1737#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
1738# ifdef USE_THREADS
1739# define PERL_GET_THX THR
1740# else
1741# ifdef MULTIPLICITY
1742# define PERL_GET_THX PERL_GET_INTERP
1743# else
1744# ifdef PERL_OBJECT
1745# define PERL_GET_THX ((CPerlObj*)PERL_GET_INTERP)
1746# else
1747# define PERL_GET_THX ((void*)0)
1748# endif
1749# endif
1750# endif
1751#endif
1752
894356b3
GS
1753#ifndef SVf
1754# ifdef CHECK_FORMAT
1755# define SVf "p"
1756# else
1757# define SVf "_"
1758# endif
1759#endif
1760
3fc1aec6
PP
1761/* Some unistd.h's give a prototype for pause() even though
1762 HAS_PAUSE ends up undefined. This causes the #define
1763 below to be rejected by the compmiler. Sigh.
1764*/
1765#ifdef HAS_PAUSE
1766#define Pause pause
1767#else
1768#define Pause() sleep((32767<<16)+32767)
748a9306
LW
1769#endif
1770
1771#ifndef IOCPARM_LEN
1772# ifdef IOCPARM_MASK
1773 /* on BSDish systes we're safe */
1774# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1775# else
1776 /* otherwise guess at what's safe */
1777# define IOCPARM_LEN(x) 256
1778# endif
a0d0e21e
LW
1779#endif
1780
1761cee5 1781#if defined(__CYGWIN__)
521e0776
GS
1782/* USEMYBINMODE
1783 * This symbol, if defined, indicates that the program should
1784 * use the routine my_binmode(FILE *fp, char iotype) to insure
1785 * that a file is in "binary" mode -- that is, that no translation
1786 * of bytes occurs on read or write operations.
1787 */
1788# define USEMYBINMODE / **/
1789# define my_binmode(fp, iotype) \
2c2d71f5 1790 (PerlLIO_setmode(PerlIO_fileno(fp), O_BINARY) != -1 ? TRUE : FALSE)
5aabfad6
PP
1791#endif
1792
cea2e8a9
GS
1793#ifdef UNION_ANY_DEFINITION
1794UNION_ANY_DEFINITION;
1795#else
1796union any {
1797 void* any_ptr;
1798 I32 any_i32;
1799 IV any_iv;
1800 long any_long;
c76ac1ee
GS
1801 void (*any_dptr) (void*);
1802 void (*any_dxptr) (pTHXo_ void*);
cea2e8a9
GS
1803};
1804#endif
1805
1806#ifdef USE_THREADS
1807#define ARGSproto struct perl_thread *thr
1808#else
1809#define ARGSproto
1810#endif /* USE_THREADS */
1811
0cb96387 1812typedef I32 (*filter_t) (pTHXo_ int, SV *, int);
cea2e8a9
GS
1813
1814#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
1815#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
1816#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
1817
2c2d71f5
JH
1818#if !defined(OS2)
1819# include "iperlsys.h"
1820#endif
378cc40b 1821#include "regexp.h"
79072805 1822#include "sv.h"
378cc40b 1823#include "util.h"
8d063cd8 1824#include "form.h"
79072805
LW
1825#include "gv.h"
1826#include "cv.h"
abdd5c84 1827#include "opnames.h"
79072805
LW
1828#include "op.h"
1829#include "cop.h"
1830#include "av.h"
1831#include "hv.h"
1832#include "mg.h"
1833#include "scope.h"
4438c4b7 1834#include "warnings.h"
a0ed51b3 1835#include "utf8.h"
8d063cd8 1836
7fae4e64
GS
1837/* Current curly descriptor */
1838typedef struct curcur CURCUR;
1839struct curcur {
1840 int parenfloor; /* how far back to strip paren data */
1841 int cur; /* how many instances of scan we've matched */
1842 int min; /* the minimal number of scans to match */
1843 int max; /* the maximal number of scans to match */
1844 int minmod; /* whether to work our way up or down */
1845 regnode * scan; /* the thing to match */
1846 regnode * next; /* what has to match after it */
1847 char * lastloc; /* where we started matching this scan */
1848 CURCUR * oldcc; /* current curly before we started this one */
1849};
1850
1851typedef struct _sublex_info SUBLEXINFO;
1852struct _sublex_info {
1853 I32 super_state; /* lexer state to save */
1854 I32 sub_inwhat; /* "lex_inwhat" to use */
1855 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
1856 char *super_bufptr; /* PL_bufptr that was */
1857 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
1858};
1859
455ece5e 1860typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 1861
2c2d71f5 1862struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 1863struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
1864
1865typedef I32 CHECKPOINT;
76e3520e 1866
5f7fde29
GS
1867struct ptr_tbl_ent {
1868 struct ptr_tbl_ent* next;
1869 void* oldval;
1870 void* newval;
d18c6117
GS
1871};
1872
5f7fde29
GS
1873struct ptr_tbl {
1874 struct ptr_tbl_ent** tbl_ary;
1875 UV tbl_max;
1876 UV tbl_items;
d18c6117
GS
1877};
1878
450a55e4 1879#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
1880# define I286
1881#endif
1882
fe14fcc3
LW
1883#if defined(htonl) && !defined(HAS_HTONL)
1884#define HAS_HTONL
ae986130 1885#endif
fe14fcc3
LW
1886#if defined(htons) && !defined(HAS_HTONS)
1887#define HAS_HTONS
ae986130 1888#endif
fe14fcc3
LW
1889#if defined(ntohl) && !defined(HAS_NTOHL)
1890#define HAS_NTOHL
ae986130 1891#endif
fe14fcc3
LW
1892#if defined(ntohs) && !defined(HAS_NTOHS)
1893#define HAS_NTOHS
ae986130 1894#endif
fe14fcc3 1895#ifndef HAS_HTONL
d9d8d8de 1896#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
1897#define HAS_HTONS
1898#define HAS_HTONL
1899#define HAS_NTOHS
1900#define HAS_NTOHL
a687059c
LW
1901#define MYSWAP
1902#define htons my_swap
1903#define htonl my_htonl
1904#define ntohs my_swap
1905#define ntohl my_ntohl
1906#endif
1907#else
d9d8d8de 1908#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
1909#undef HAS_HTONS
1910#undef HAS_HTONL
1911#undef HAS_NTOHS
1912#undef HAS_NTOHL
a687059c
LW
1913#endif
1914#endif
1915
988174c1
LW
1916/*
1917 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1918 * -DWS
1919 */
1920#if BYTEORDER != 0x1234
1921# define HAS_VTOHL
1922# define HAS_VTOHS
1923# define HAS_HTOVL
1924# define HAS_HTOVS
c67712b2 1925# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
1926# define vtohl(x) ((((x)&0xFF)<<24) \
1927 +(((x)>>24)&0xFF) \
1928 +(((x)&0x0000FF00)<<8) \
1929 +(((x)&0x00FF0000)>>8) )
1930# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1931# define htovl(x) vtohl(x)
1932# define htovs(x) vtohs(x)
1933# endif
1934 /* otherwise default to functions in util.c */
1935#endif
1936
0f85fab0 1937#ifdef CASTNEGFLOAT
79072805 1938#define U_S(what) ((U16)(what))
0f85fab0 1939#define U_I(what) ((unsigned int)(what))
79072805 1940#define U_L(what) ((U32)(what))
0f85fab0 1941#else
65202027
DS
1942#define U_S(what) ((U16)cast_ulong((NV)(what)))
1943#define U_I(what) ((unsigned int)cast_ulong((NV)(what)))
1944#define U_L(what) (cast_ulong((NV)(what)))
ee0007ab
LW
1945#endif
1946
ed6116ce
LW
1947#ifdef CASTI32
1948#define I_32(what) ((I32)(what))
a0d0e21e 1949#define I_V(what) ((IV)(what))
5d94fbed 1950#define U_V(what) ((UV)(what))
ed6116ce 1951#else
65202027
DS
1952#define I_32(what) (cast_i32((NV)(what)))
1953#define I_V(what) (cast_iv((NV)(what)))
1954#define U_V(what) (cast_uv((NV)(what)))
ed6116ce
LW
1955#endif
1956
2d4389e4
JH
1957/* These do not care about the fractional part, only about the range. */
1958#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 1959#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 1960
25da4f38
IZ
1961/* Used with UV/IV arguments: */
1962 /* XXXX: need to speed it up */
1963#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
1964#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
1965
352d5a3a
LW
1966#ifndef MAXSYSFD
1967# define MAXSYSFD 2
1968#endif
ee0007ab 1969
79072805 1970#ifndef __cplusplus
20ce7b12
GS
1971Uid_t getuid (void);
1972Uid_t geteuid (void);
1973Gid_t getgid (void);
1974Gid_t getegid (void);
79072805 1975#endif
8d063cd8 1976
0c30d9ec 1977#ifndef Perl_debug_log
bf49b057
GS
1978# define Perl_debug_log PerlIO_stderr()
1979#endif
1980
1981#ifndef Perl_error_log
1982# define Perl_error_log (PL_stderrgv \
42de951c 1983 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
1984 ? IoOFP(GvIOp(PL_stderrgv)) \
1985 : PerlIO_stderr())
0c30d9ec 1986#endif
3967c732
JD
1987
1988#ifdef DEBUGGING
9d116dd7 1989#undef YYDEBUG
d96024cf 1990#define YYDEBUG 1
79072805 1991#define DEB(a) a
3280af22
NIS
1992#define DEBUG(a) if (PL_debug) a
1993#define DEBUG_p(a) if (PL_debug & 1) a
1994#define DEBUG_s(a) if (PL_debug & 2) a
1995#define DEBUG_l(a) if (PL_debug & 4) a
1996#define DEBUG_t(a) if (PL_debug & 8) a
1997#define DEBUG_o(a) if (PL_debug & 16) a
1998#define DEBUG_c(a) if (PL_debug & 32) a
1999#define DEBUG_P(a) if (PL_debug & 64) a
0672f40e 2000# if defined(PERL_OBJECT)
c850101c
JD
2001# define DEBUG_m(a) if (PL_debug & 128) a
2002# else
0b250b9e
GS
2003# define DEBUG_m(a) \
2004 STMT_START { \
2005 if (PERL_GET_INTERP) { dTHX; if (PL_debug & 128) { a; } } \
2006 } STMT_END
c850101c 2007# endif
3280af22
NIS
2008#define DEBUG_f(a) if (PL_debug & 256) a
2009#define DEBUG_r(a) if (PL_debug & 512) a
2010#define DEBUG_x(a) if (PL_debug & 1024) a
2011#define DEBUG_u(a) if (PL_debug & 2048) a
2012#define DEBUG_L(a) if (PL_debug & 4096) a
2013#define DEBUG_H(a) if (PL_debug & 8192) a
2014#define DEBUG_X(a) if (PL_debug & 16384) a
2015#define DEBUG_D(a) if (PL_debug & 32768) a
8b73bbec
IZ
2016# ifdef USE_THREADS
2017# define DEBUG_S(a) if (PL_debug & (1<<16)) a
2018# else
2019# define DEBUG_S(a)
2020# endif
79072805
LW
2021#else
2022#define DEB(a)
2023#define DEBUG(a)
2024#define DEBUG_p(a)
2025#define DEBUG_s(a)
2026#define DEBUG_l(a)
2027#define DEBUG_t(a)
2028#define DEBUG_o(a)
2029#define DEBUG_c(a)
2030#define DEBUG_P(a)
2031#define DEBUG_m(a)
2032#define DEBUG_f(a)
2033#define DEBUG_r(a)
2034#define DEBUG_x(a)
2035#define DEBUG_u(a)
8b73bbec 2036#define DEBUG_S(a)
79072805
LW
2037#define DEBUG_H(a)
2038#define DEBUG_X(a)
8990e307 2039#define DEBUG_D(a)
8b73bbec 2040#define DEBUG_S(a)
8d063cd8 2041#endif
fe14fcc3 2042#define YYMAXDEPTH 300
8d063cd8 2043
a6e633de 2044#ifndef assert /* <assert.h> might have been included somehow */
79072805
LW
2045#define assert(what) DEB( { \
2046 if (!(what)) { \
cea2e8a9 2047 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2048 __FILE__, __LINE__); \
cea2e8a9 2049 PerlProc_exit(1); \
79072805 2050 }})
a6e633de 2051#endif
8d063cd8 2052
450a55e4 2053struct ufuncs {
20ce7b12
GS
2054 I32 (*uf_val)(IV, SV*);
2055 I32 (*uf_set)(IV, SV*);
a0d0e21e 2056 IV uf_index;
450a55e4
LW
2057};
2058
fe14fcc3 2059/* Fix these up for __STDC__ */
68dc0745 2060#ifndef DONT_DECLARE_STD
20ce7b12 2061char *mktemp (char*);
37bd1396 2062#ifndef atof
20ce7b12 2063double atof (const char*);
a0d0e21e 2064#endif
37bd1396 2065#endif
79072805 2066
352d5a3a 2067#ifndef STANDARD_C
fe14fcc3 2068/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2069Time_t time();
8d063cd8 2070struct tm *gmtime(), *localtime();
092bebab 2071#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
2072char *(strchr)(), *(strrchr)();
2073char *(strcpy)(), *(strcat)();
2074#else
93a17b20 2075char *strchr(), *strrchr();
378cc40b 2076char *strcpy(), *strcat();
9d116dd7 2077#endif
352d5a3a 2078#endif /* ! STANDARD_C */
8d063cd8 2079
79072805
LW
2080
2081#ifdef I_MATH
2082# include <math.h>
2083#else
32f822de 2084START_EXTERN_C
20ce7b12
GS
2085 double exp (double);
2086 double log (double);
2087 double log10 (double);
2088 double sqrt (double);
2089 double frexp (double,int*);
2090 double ldexp (double,int);
2091 double modf (double,double*);
2092 double sin (double);
2093 double cos (double);
2094 double atan2 (double,double);
2095 double pow (double,double);
32f822de 2096END_EXTERN_C
79072805
LW
2097#endif
2098
a0d0e21e 2099#ifndef __cplusplus
8f1f23e8 2100# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2101char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2102# else
5014db98 2103# if !defined(WIN32)
20ce7b12 2104char *crypt (const char*, const char*);
5014db98 2105# endif /* !WIN32 */
8f1f23e8 2106# endif /* !NeXT && !__NeXT__ */
26618a56
GS
2107# ifndef DONT_DECLARE_STD
2108# ifndef getenv
20ce7b12 2109char *getenv (const char*);
26618a56 2110# endif /* !getenv */
49c10eea 2111# if !defined(EPOC) && !(defined(__hpux) && defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS == 64) && !defined(HAS_LSEEK_PROTO)
20ce7b12 2112Off_t lseek (int,Off_t,int);
bf0c440f 2113# endif
26618a56 2114# endif /* !DONT_DECLARE_STD */
20ce7b12 2115char *getlogin (void);
26618a56 2116#endif /* !__cplusplus */
79072805 2117
16d20bd9 2118#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2119#define UNLINK unlnk
20ce7b12 2120I32 unlnk (char*);
8d063cd8 2121#else
80252599 2122#define UNLINK PerlLIO_unlink
8d063cd8 2123#endif
a687059c 2124
fe14fcc3 2125#ifndef HAS_SETREUID
85e6fe83
LW
2126# ifdef HAS_SETRESUID
2127# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2128# define HAS_SETREUID
2129# endif
a687059c 2130#endif
fe14fcc3 2131#ifndef HAS_SETREGID
85e6fe83
LW
2132# ifdef HAS_SETRESGID
2133# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2134# define HAS_SETREGID
2135# endif
a687059c 2136#endif
ee0007ab 2137
d543acb6 2138/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
2139
2140#ifdef HAS_SIGACTION
2141typedef struct sigaction Sigsave_t;
2142#else
2143typedef Sighandler_t Sigsave_t;
2144#endif
2145
ee0007ab
LW
2146#define SCAN_DEF 0
2147#define SCAN_TR 1
2148#define SCAN_REPL 2
79072805
LW
2149
2150#ifdef DEBUGGING
4633a7c4 2151# ifndef register
a0d0e21e
LW
2152# define register
2153# endif
2154# define PAD_SV(po) pad_sv(po)
cea2e8a9 2155# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2156#else
6b88bc9c 2157# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2158# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
2159#endif
2160
18f739ee 2161#ifdef MYMALLOC
772fe5b3 2162# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
2163# define MALLOC_INIT \
2164 STMT_START { \
2165 PL_malloc_mutex = NULL; \
2166 MUTEX_INIT(&PL_malloc_mutex); \
2167 } STMT_END
2168# define MALLOC_TERM \
2169 STMT_START { \
2170 perl_mutex tmp = PL_malloc_mutex; \
2171 PL_malloc_mutex = NULL; \
2172 MUTEX_DESTROY(&tmp); \
2173 } STMT_END
2174# else
2175# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2176# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2177# endif
18f739ee
IZ
2178#else
2179# define MALLOC_INIT
2180# define MALLOC_TERM
2181#endif
2182
b6d9d515 2183
0cb96387
GS
2184typedef int (CPERLscope(*runops_proc_t)) (pTHX);
2185typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2186
940cb80d 2187/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2188#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2189
8f1f23e8
W
2190/* NeXT has problems with crt0.o globals */
2191#if defined(__DYNAMIC__) && \
2192 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2193# if defined(NeXT) || defined(__NeXT)
2194# include <mach-o/dyld.h>
2195# define environ (*environ_pointer)
0c30d9ec 2196EXT char *** environ_pointer;
8f1f23e8
W
2197# else
2198# if defined(__APPLE__)
2199# include <crt_externs.h> /* for the env array */
2200# define environ (*_NSGetEnviron())
2201# endif
0c30d9ec 2202# endif
8f1f23e8
W
2203#else
2204 /* VMS and some other platforms don't use the environ array */
a6c40364
GS
2205# if !defined(VMS)
2206# if !defined(DONT_DECLARE_STD) || \
2207 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2208 defined(__sgi) || \
4d2c4e07 2209 defined(__DGUX) || defined(EPOC)
8f1f23e8 2210extern char ** environ; /* environment variables supplied via exec */
a6c40364 2211# endif
8f1f23e8
W
2212# endif
2213#endif
79072805 2214
73c4f7a1
GS
2215START_EXTERN_C
2216
79072805 2217/* handy constants */
22c35a8c 2218EXTCONST char PL_warn_uninit[]
b89fed5f 2219 INIT("Use of uninitialized value%s%s");
22c35a8c 2220EXTCONST char PL_warn_nosemi[]
463ee0b2 2221 INIT("Semicolon seems to be missing");
22c35a8c 2222EXTCONST char PL_warn_reserved[]
463ee0b2 2223 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2224EXTCONST char PL_warn_nl[]
93a17b20 2225 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2226EXTCONST char PL_no_wrongref[]
a0d0e21e 2227 INIT("Can't use %s ref as %s ref");
22c35a8c 2228EXTCONST char PL_no_symref[]
748a9306 2229 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2230EXTCONST char PL_no_usym[]
8990e307 2231 INIT("Can't use an undefined value as %s reference");
22c35a8c 2232EXTCONST char PL_no_aelem[]
93a17b20 2233 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2234EXTCONST char PL_no_helem[]
93a17b20 2235 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2236EXTCONST char PL_no_modify[]
93a17b20 2237 INIT("Modification of a read-only value attempted");
22c35a8c 2238EXTCONST char PL_no_mem[]
93a17b20 2239 INIT("Out of memory!\n");
22c35a8c 2240EXTCONST char PL_no_security[]
463ee0b2 2241 INIT("Insecure dependency in %s%s");
22c35a8c 2242EXTCONST char PL_no_sock_func[]
93a17b20 2243 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2244EXTCONST char PL_no_dir_func[]
93a17b20 2245 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2246EXTCONST char PL_no_func[]
93a17b20 2247 INIT("The %s function is unimplemented");
22c35a8c 2248EXTCONST char PL_no_myglob[]
748a9306 2249 INIT("\"my\" variable %s can't be in a package");
93a17b20 2250
7575fa06 2251EXTCONST char PL_uuemap[65]
80252599
GS
2252 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2253
2254
79072805 2255#ifdef DOINIT
22c35a8c
GS
2256EXT char *PL_sig_name[] = { SIG_NAME };
2257EXT int PL_sig_num[] = { SIG_NUM };
79072805 2258#else
22c35a8c
GS
2259EXT char *PL_sig_name[];
2260EXT int PL_sig_num[];
79072805
LW
2261#endif
2262
bbce6d69
PP
2263/* fast case folding tables */
2264
79072805 2265#ifdef DOINIT
9d116dd7 2266#ifdef EBCDIC
22c35a8c 2267EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
2268 0, 1, 2, 3, 4, 5, 6, 7,
2269 8, 9, 10, 11, 12, 13, 14, 15,
2270 16, 17, 18, 19, 20, 21, 22, 23,
2271 24, 25, 26, 27, 28, 29, 30, 31,
2272 32, 33, 34, 35, 36, 37, 38, 39,
2273 40, 41, 42, 43, 44, 45, 46, 47,
2274 48, 49, 50, 51, 52, 53, 54, 55,
2275 56, 57, 58, 59, 60, 61, 62, 63,
2276 64, 65, 66, 67, 68, 69, 70, 71,
2277 72, 73, 74, 75, 76, 77, 78, 79,
2278 80, 81, 82, 83, 84, 85, 86, 87,
2279 88, 89, 90, 91, 92, 93, 94, 95,
2280 96, 97, 98, 99, 100, 101, 102, 103,
2281 104, 105, 106, 107, 108, 109, 110, 111,
2282 112, 113, 114, 115, 116, 117, 118, 119,
2283 120, 121, 122, 123, 124, 125, 126, 127,
2284 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2285 'H', 'I', 138, 139, 140, 141, 142, 143,
2286 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2287 'Q', 'R', 154, 155, 156, 157, 158, 159,
2288 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2289 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2290 176, 177, 178, 179, 180, 181, 182, 183,
2291 184, 185, 186, 187, 188, 189, 190, 191,
2292 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2293 'h', 'i', 202, 203, 204, 205, 206, 207,
2294 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2295 'q', 'r', 218, 219, 220, 221, 222, 223,
2296 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2297 'y', 'z', 234, 235, 236, 237, 238, 239,
2298 240, 241, 242, 243, 244, 245, 246, 247,
2299 248, 249, 250, 251, 252, 253, 254, 255
2300};
2301#else /* ascii rather than ebcdic */
22c35a8c 2302EXTCONST unsigned char PL_fold[] = {
79072805
LW
2303 0, 1, 2, 3, 4, 5, 6, 7,
2304 8, 9, 10, 11, 12, 13, 14, 15,
2305 16, 17, 18, 19, 20, 21, 22, 23,
2306 24, 25, 26, 27, 28, 29, 30, 31,
2307 32, 33, 34, 35, 36, 37, 38, 39,
2308 40, 41, 42, 43, 44, 45, 46, 47,
2309 48, 49, 50, 51, 52, 53, 54, 55,
2310 56, 57, 58, 59, 60, 61, 62, 63,
2311 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2312 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2313 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2314 'x', 'y', 'z', 91, 92, 93, 94, 95,
2315 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2316 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2317 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2318 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2319 128, 129, 130, 131, 132, 133, 134, 135,
2320 136, 137, 138, 139, 140, 141, 142, 143,
2321 144, 145, 146, 147, 148, 149, 150, 151,
2322 152, 153, 154, 155, 156, 157, 158, 159,
2323 160, 161, 162, 163, 164, 165, 166, 167,
2324 168, 169, 170, 171, 172, 173, 174, 175,
2325 176, 177, 178, 179, 180, 181, 182, 183,
2326 184, 185, 186, 187, 188, 189, 190, 191,
2327 192, 193, 194, 195, 196, 197, 198, 199,
2328 200, 201, 202, 203, 204, 205, 206, 207,
2329 208, 209, 210, 211, 212, 213, 214, 215,
2330 216, 217, 218, 219, 220, 221, 222, 223,
2331 224, 225, 226, 227, 228, 229, 230, 231,
2332 232, 233, 234, 235, 236, 237, 238, 239,
2333 240, 241, 242, 243, 244, 245, 246, 247,
2334 248, 249, 250, 251, 252, 253, 254, 255
2335};
9d116dd7 2336#endif /* !EBCDIC */
79072805 2337#else
22c35a8c 2338EXTCONST unsigned char PL_fold[];
79072805
LW
2339#endif
2340
2341#ifdef DOINIT
22c35a8c 2342EXT unsigned char PL_fold_locale[] = {
79072805
LW
2343 0, 1, 2, 3, 4, 5, 6, 7,
2344 8, 9, 10, 11, 12, 13, 14, 15,
2345 16, 17, 18, 19, 20, 21, 22, 23,
2346 24, 25, 26, 27, 28, 29, 30, 31,
2347 32, 33, 34, 35, 36, 37, 38, 39,
2348 40, 41, 42, 43, 44, 45, 46, 47,
2349 48, 49, 50, 51, 52, 53, 54, 55,
2350 56, 57, 58, 59, 60, 61, 62, 63,
2351 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2352 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2353 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2354 'x', 'y', 'z', 91, 92, 93, 94, 95,
2355 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2356 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2357 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2358 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2359 128, 129, 130, 131, 132, 133, 134, 135,
2360 136, 137, 138, 139, 140, 141, 142, 143,
2361 144, 145, 146, 147, 148, 149, 150, 151,
2362 152, 153, 154, 155, 156, 157, 158, 159,
2363 160, 161, 162, 163, 164, 165, 166, 167,
2364 168, 169, 170, 171, 172, 173, 174, 175,
2365 176, 177, 178, 179, 180, 181, 182, 183,
2366 184, 185, 186, 187, 188, 189, 190, 191,
2367 192, 193, 194, 195, 196, 197, 198, 199,
2368 200, 201, 202, 203, 204, 205, 206, 207,
2369 208, 209, 210, 211, 212, 213, 214, 215,
2370 216, 217, 218, 219, 220, 221, 222, 223,
2371 224, 225, 226, 227, 228, 229, 230, 231,
2372 232, 233, 234, 235, 236, 237, 238, 239,
2373 240, 241, 242, 243, 244, 245, 246, 247,
2374 248, 249, 250, 251, 252, 253, 254, 255
2375};
2376#else
22c35a8c 2377EXT unsigned char PL_fold_locale[];
79072805
LW
2378#endif
2379
2380#ifdef DOINIT
9d116dd7 2381#ifdef EBCDIC
22c35a8c 2382EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
2383 1, 2, 84, 151, 154, 155, 156, 157,
2384 165, 246, 250, 3, 158, 7, 18, 29,
2385 40, 51, 62, 73, 85, 96, 107, 118,
2386 129, 140, 147, 148, 149, 150, 152, 153,
2387 255, 6, 8, 9, 10, 11, 12, 13,
2388 14, 15, 24, 25, 26, 27, 28, 226,
2389 29, 30, 31, 32, 33, 43, 44, 45,
2390 46, 47, 48, 49, 50, 76, 77, 78,
2391 79, 80, 81, 82, 83, 84, 85, 86,
2392 87, 94, 95, 234, 181, 233, 187, 190,
2393 180, 96, 97, 98, 99, 100, 101, 102,
2394 104, 112, 182, 174, 236, 232, 229, 103,
2395 228, 226, 114, 115, 116, 117, 118, 119,
2396 120, 121, 122, 235, 176, 230, 194, 162,
2397 130, 131, 132, 133, 134, 135, 136, 137,
2398 138, 139, 201, 205, 163, 217, 220, 224,
2399 5, 248, 227, 244, 242, 255, 241, 231,
2400 240, 253, 16, 197, 19, 20, 21, 187,
2401 23, 169, 210, 245, 237, 249, 247, 239,
2402 168, 252, 34, 196, 36, 37, 38, 39,
2403 41, 42, 251, 254, 238, 223, 221, 213,
2404 225, 177, 52, 53, 54, 55, 56, 57,
2405 58, 59, 60, 61, 63, 64, 65, 66,
2406 67, 68, 69, 70, 71, 72, 74, 75,
2407 205, 208, 186, 202, 200, 218, 198, 179,
2408 178, 214, 88, 89, 90, 91, 92, 93,
2409 217, 166, 170, 207, 199, 209, 206, 204,
2410 160, 212, 105, 106, 108, 109, 110, 111,
2411 203, 113, 216, 215, 192, 175, 193, 243,
2412 172, 161, 123, 124, 125, 126, 127, 128,
2413 222, 219, 211, 195, 188, 193, 185, 184,
2414 191, 183, 141, 142, 143, 144, 145, 146
2415};
2416#else /* ascii rather than ebcdic */
22c35a8c 2417EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
2418 1, 2, 84, 151, 154, 155, 156, 157,
2419 165, 246, 250, 3, 158, 7, 18, 29,
2420 40, 51, 62, 73, 85, 96, 107, 118,
2421 129, 140, 147, 148, 149, 150, 152, 153,
2422 255, 182, 224, 205, 174, 176, 180, 217,
2423 233, 232, 236, 187, 235, 228, 234, 226,
2424 222, 219, 211, 195, 188, 193, 185, 184,
2425 191, 183, 201, 229, 181, 220, 194, 162,
2426 163, 208, 186, 202, 200, 218, 198, 179,
2427 178, 214, 166, 170, 207, 199, 209, 206,
2428 204, 160, 212, 216, 215, 192, 175, 173,
2429 243, 172, 161, 190, 203, 189, 164, 230,
2430 167, 248, 227, 244, 242, 255, 241, 231,
2431 240, 253, 169, 210, 245, 237, 249, 247,
2432 239, 168, 252, 251, 254, 238, 223, 221,
2433 213, 225, 177, 197, 171, 196, 159, 4,
2434 5, 6, 8, 9, 10, 11, 12, 13,
2435 14, 15, 16, 17, 19, 20, 21, 22,
2436 23, 24, 25, 26, 27, 28, 30, 31,
2437 32, 33, 34, 35, 36, 37, 38, 39,
2438 41, 42, 43, 44, 45, 46, 47, 48,
2439 49, 50, 52, 53, 54, 55, 56, 57,
2440 58, 59, 60, 61, 63, 64, 65, 66,
2441 67, 68, 69, 70, 71, 72, 74, 75,
2442 76, 77, 78, 79, 80, 81, 82, 83,
2443 86, 87, 88, 89, 90, 91, 92, 93,
2444 94, 95, 97, 98, 99, 100, 101, 102,
2445 103, 104, 105, 106, 108, 109, 110, 111,
2446 112, 113, 114, 115, 116, 117, 119, 120,
2447 121, 122, 123, 124, 125, 126, 127, 128,
2448 130, 131, 132, 133, 134, 135, 136, 137,
2449 138, 139, 141, 142, 143, 144, 145, 146
2450};
9d116dd7 2451#endif
79072805 2452#else
22c35a8c 2453EXTCONST unsigned char PL_freq[];
79072805
LW
2454#endif
2455
8990e307
LW
2456#ifdef DEBUGGING
2457#ifdef DOINIT
22c35a8c 2458EXTCONST char* PL_block_type[] = {
8990e307
LW
2459 "NULL",
2460 "SUB",
2461 "EVAL",
2462 "LOOP",
2463 "SUBST",
2464 "BLOCK",
2465};
2466#else
22c35a8c 2467EXTCONST char* PL_block_type[];
8990e307
LW
2468#endif
2469#endif
2470
73c4f7a1
GS
2471END_EXTERN_C
2472
79072805
LW
2473/*****************************************************************************/
2474/* This lexer/parser stuff is currently global since yacc is hard to reenter */
2475/*****************************************************************************/
8990e307 2476/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 2477
a0d0e21e
LW
2478#include "perly.h"
2479
fb73857a
PP
2480#define LEX_NOTPARSING 11 /* borrowed from toke.c */
2481
79072805
LW
2482typedef enum {
2483 XOPERATOR,
2484 XTERM,
79072805 2485 XREF,
8990e307 2486 XSTATE,
a0d0e21e 2487 XBLOCK,
09bef843
SB
2488 XATTRBLOCK,
2489 XATTRTERM,
a0d0e21e 2490 XTERMBLOCK
79072805
LW
2491} expectation;
2492
dc9e4912
GS
2493enum { /* pass one of these to get_vtbl */
2494 want_vtbl_sv,
2495 want_vtbl_env,
2496 want_vtbl_envelem,
2497 want_vtbl_sig,
2498 want_vtbl_sigelem,
2499 want_vtbl_pack,
2500 want_vtbl_packelem,
2501 want_vtbl_dbline,
2502 want_vtbl_isa,
2503 want_vtbl_isaelem,
2504 want_vtbl_arylen,
2505 want_vtbl_glob,
2506 want_vtbl_mglob,
2507 want_vtbl_nkeys,
2508 want_vtbl_taint,
2509 want_vtbl_substr,
2510 want_vtbl_vec,
2511 want_vtbl_pos,
2512 want_vtbl_bm,
2513 want_vtbl_fm,
2514 want_vtbl_uvar,
2515 want_vtbl_defelem,
2516 want_vtbl_regexp,
2517 want_vtbl_collxfrm,
2518 want_vtbl_amagic,
2519 want_vtbl_amagicelem,
2520#ifdef USE_THREADS
2521 want_vtbl_mutex,
2522#endif
2523 want_vtbl_regdata,
810b8aa5
GS
2524 want_vtbl_regdatum,
2525 want_vtbl_backref
dc9e4912
GS
2526};
2527
85e6fe83
LW
2528 /* Note: the lowest 8 bits are reserved for
2529 stuffing into op->op_private */
f3aa04c2 2530#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW
2531#define HINT_INTEGER 0x00000001
2532#define HINT_STRICT_REFS 0x00000002
a0ed51b3 2533/* #define HINT_notused4 0x00000004 */
393fec97
GS
2534#define HINT_BYTE 0x00000008
2535/* #define HINT_notused10 0x00000010 */
a0ed51b3 2536 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW
2537
2538#define HINT_BLOCK_SCOPE 0x00000100
2539#define HINT_STRICT_SUBS 0x00000200
2540#define HINT_STRICT_VARS 0x00000400
bbce6d69 2541#define HINT_LOCALE 0x00000800
85e6fe83 2542
b3ac6de7
IZ
2543#define HINT_NEW_INTEGER 0x00001000
2544#define HINT_NEW_FLOAT 0x00002000
2545#define HINT_NEW_BINARY 0x00004000
2546#define HINT_NEW_STRING 0x00008000
2547#define HINT_NEW_RE 0x00010000
2548#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
2549
b3eb6a9b 2550#define HINT_RE_TAINT 0x00100000
e4d48cc9 2551#define HINT_RE_EVAL 0x00200000
b3eb6a9b 2552
5ff3f7a4 2553#define HINT_FILETEST_ACCESS 0x00400000
393fec97 2554#define HINT_UTF8 0x00800000
5ff3f7a4 2555
d4cce5f1
NIS
2556/* Various states of an input record separator SV (rs, nrs) */
2557#define RsSNARF(sv) (! SvOK(sv))
af7d13df
G
2558#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
2559#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 2560#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 2561
56953603 2562/* Enable variables which are pointers to functions */
0cb96387
GS
2563typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
2564typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
2565 char* strend, char* strbeg, I32 minend,
2566 SV* screamer, void* data, U32 flags);
f722798b
IZ
2567typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
2568 char *strpos, char *strend,
2569 U32 flags,
2570 struct re_scream_pos_data_s *d);
2571typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
2572typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 2573
51371543
GS
2574#ifdef USE_PURE_BISON
2575int Perl_yylex(pTHX_ YYSTYPE *lvalp, int *lcharp);
2576#endif
2577
c76ac1ee 2578typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
51371543
GS
2579typedef void (*DESTRUCTORFUNC_t) (pTHXo_ void*);
2580typedef void (*SVFUNC_t) (pTHXo_ SV*);
2581typedef I32 (*SVCOMPARE_t) (pTHXo_ SV*, SV*);
2582typedef void (*XSINIT_t) (pTHXo);
2583typedef void (*ATEXIT_t) (pTHXo_ void*);
2584typedef void (*XSUBADDR_t) (pTHXo_ CV *);
15e52e56 2585
22239a37
NIS
2586/* Set up PERLVAR macros for populating structs */
2587#define PERLVAR(var,type) type var;
51371543 2588#define PERLVARA(var,n,type) type var[n];
22239a37 2589#define PERLVARI(var,type,init) type var;
3fe35a81 2590#define PERLVARIC(var,type,init) type var;
22239a37 2591
58a50f62
GS
2592/* Interpreter exitlist entry */
2593typedef struct exitlistentry {
0cb96387 2594 void (*fn) (pTHXo_ void*);
58a50f62
GS
2595 void *ptr;
2596} PerlExitListEntry;
2597
22239a37
NIS
2598#ifdef PERL_GLOBAL_STRUCT
2599struct perl_vars {
7766f137 2600# include "perlvars.h"
22239a37
NIS
2601};
2602
7766f137 2603# ifdef PERL_CORE
533c011a
NIS
2604EXT struct perl_vars PL_Vars;
2605EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS
2606# else /* PERL_CORE */
2607# if !defined(__GNUC__) || !defined(WIN32)
22239a37 2608EXT
7766f137 2609# endif /* WIN32 */
533c011a 2610struct perl_vars *PL_VarsPtr;
7766f137
GS
2611# define PL_Vars (*((PL_VarsPtr) \
2612 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
2613# endif /* PERL_CORE */
22239a37
NIS
2614#endif /* PERL_GLOBAL_STRUCT */
2615
7766f137 2616#if defined(MULTIPLICITY) || defined(PERL_OBJECT)
d4cce5f1
NIS
2617/* If we have multiple interpreters define a struct
2618 holding variables which must be per-interpreter
2619 If we don't have threads anything that would have
2620 be per-thread is per-interpreter.
2621*/
2622
79072805 2623struct interpreter {
7766f137
GS
2624# ifndef USE_THREADS
2625# include "thrdvar.h"
2626# endif
2627# include "intrpvar.h"
2628/*
2629 * The following is a buffer where new variables must
2630 * be defined to maintain binary compatibility with PERL_OBJECT
2631 */
2632PERLVARA(object_compatibility,30, char)
49f531da 2633};
d4cce5f1 2634
79072805 2635#else
49f531da
NIS
2636struct interpreter {
2637 char broiled;
2638};
7766f137 2639#endif /* MULTIPLICITY || PERL_OBJECT */
79072805 2640
d4cce5f1
NIS
2641#ifdef USE_THREADS
2642/* If we have threads define a struct with all the variables
2643 * that have to be per-thread
49f531da 2644 */
8023c3ce 2645
79072805 2646
49f531da 2647struct perl_thread {
49f531da 2648#include "thrdvar.h"
79072805 2649};
d4cce5f1 2650
22fae026
TM
2651typedef struct perl_thread *Thread;
2652
2653#else
2654typedef void *Thread;
22239a37
NIS
2655#endif
2656
2657/* Done with PERLVAR macros for now ... */
d4cce5f1 2658#undef PERLVAR
51371543 2659#undef PERLVARA
d4cce5f1 2660#undef PERLVARI
3fe35a81 2661#undef PERLVARIC
79072805 2662
22239a37 2663#include "thread.h"
79072805 2664#include "pp.h"
864dbfa3
GS
2665
2666#ifndef PERL_CALLCONV
2667# define PERL_CALLCONV
2668#endif
2669
864dbfa3
GS
2670#ifndef NEXT30_NO_ATTRIBUTE
2671# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
2672# ifdef __attribute__ /* Avoid possible redefinition errors */
2673# undef __attribute__
2674# endif
2675# define __attribute__(attr)
2676# endif
2677#endif
2678
0cb96387 2679#ifdef PERL_OBJECT
7766f137 2680# define PERL_DECL_PROT
0cb96387 2681#endif
864dbfa3 2682
0cb96387
GS
2683#undef PERL_CKDEF
2684#undef PERL_PPDEF
2685#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
2686#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 2687
7766f137 2688#include "proto.h"
864dbfa3 2689
0cb96387 2690#ifdef PERL_OBJECT
7766f137 2691# undef PERL_DECL_PROT
0cb96387
GS
2692#endif
2693
864dbfa3 2694#ifndef PERL_OBJECT
0cb96387
GS
2695/* this has structure inits, so it cannot be included before here */
2696# include "opcode.h"
864dbfa3
GS
2697#endif
2698
d4cce5f1
NIS
2699/* The following must follow proto.h as #defines mess up syntax */
2700
22c35a8c
GS
2701#if !defined(PERL_FOR_X2P)
2702# include "embedvar.h"
2703#endif
d4cce5f1
NIS
2704
2705/* Now include all the 'global' variables
2706 * If we don't have threads or multiple interpreters
2707 * these include variables that would have been their struct-s
2708 */
533c011a
NIS
2709
2710#define PERLVAR(var,type) EXT type PL_##var;
51371543 2711#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS
2712#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
2713#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 2714
7766f137
GS
2715#if !defined(MULTIPLICITY) && !defined(PERL_OBJECT)
2716START_EXTERN_C
066ef5b5
GS
2717# include "intrpvar.h"
2718# ifndef USE_THREADS
2719# include "thrdvar.h"
2720# endif
7766f137 2721END_EXTERN_C
22239a37
NIS
2722#endif
2723
76e3520e 2724#ifdef PERL_OBJECT
22c35a8c 2725# include "embed.h"
76e3520e 2726
22c35a8c
GS
2727# ifdef DOINIT
2728# include "INTERN.h"
2729# else
2730# include "EXTERN.h"
2731# endif
2732
2733/* this has structure inits, so it cannot be included before here */
2734# include "opcode.h"
2735
d18c6117
GS
2736#else
2737# if defined(WIN32)
2738# include "embed.h"
2739# endif
22c35a8c 2740#endif /* PERL_OBJECT */
22239a37 2741
c5be433b
GS
2742#ifndef PERL_GLOBAL_STRUCT
2743START_EXTERN_C
2744
2745# include "perlvars.h"
2746
2747END_EXTERN_C
2748#endif
2749
d4cce5f1 2750#undef PERLVAR
51371543 2751#undef PERLVARA
d4cce5f1 2752#undef PERLVARI
0f3f18a6 2753#undef PERLVARIC
79072805 2754
73c4f7a1
GS
2755START_EXTERN_C
2756
79072805 2757#ifdef DOINIT
bbce6d69 2758
2b260de0
GS
2759EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2760 MEMBER_TO_FPTR(Perl_magic_set),
2761 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 2762 0, 0};
2b260de0
GS
2763EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
2764 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 2765 0};
2b260de0
GS
2766EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
2767 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 2768 0};
22c35a8c 2769EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
2b260de0
GS
2770EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
2771 MEMBER_TO_FPTR(Perl_magic_setsig),
2772 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 2773 0};
2b260de0 2774EXT MGVTBL PL_vtbl_pack = {0, 0, MEMBER_TO_FPTR(Perl_magic_sizepack), MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 2775 0};
2b260de0
GS
2776EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
2777 MEMBER_TO_FPTR(Perl_magic_setpack),
2778 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 2779 0};
2b260de0 2780EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 2781 0, 0, 0};
2b260de0
GS
2782EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
2783 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 2784 0};
2b260de0 2785EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 2786 0, 0, 0};
2b260de0
GS
2787EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
2788 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 2789 0, 0, 0};
2b260de0
GS
2790EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
2791 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 2792 0, 0, 0};
2b260de0 2793EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 2794 0, 0, 0};
2b260de0
GS
2795EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
2796 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 2797 0, 0, 0};
2b260de0 2798EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 2799 0, 0, 0};
2b260de0 2800EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr), MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 2801 0, 0, 0};
2b260de0
GS
2802EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
2803 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 2804 0, 0, 0};
2b260de0
GS
2805EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
2806 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 2807 0, 0, 0};
2b260de0 2808EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 2809 0, 0, 0};
2b260de0 2810EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 2811 0, 0, 0};
2b260de0
GS
2812EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
2813 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 2814 0, 0, 0};
f93b4edd 2815#ifdef USE_THREADS
2b260de0 2816EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0, MEMBER_TO_FPTR(Perl_magic_mutexfree)};
f93b4edd 2817#endif /* USE_THREADS */
2b260de0 2818EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 2819 0, 0, 0};
a0d0e21e 2820
2b260de0
GS
2821EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
2822EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
2823EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get), 0, 0, 0, 0};
c277df42 2824
36477c24 2825#ifdef USE_LOCALE_COLLATE
22c35a8c 2826EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 2827 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69
PP
2828 0, 0, 0};
2829#endif
a0d0e21e 2830
2b260de0
GS
2831EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
2832 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
2833EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
2834 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 2835
810b8aa5 2836EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 2837 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 2838
bbce6d69
PP
2839#else /* !DOINIT */
2840
22c35a8c
GS
2841EXT MGVTBL PL_vtbl_sv;
2842EXT MGVTBL PL_vtbl_env;
2843EXT MGVTBL PL_vtbl_envelem;
2844EXT MGVTBL PL_vtbl_sig;
2845EXT MGVTBL PL_vtbl_sigelem;
2846EXT MGVTBL PL_vtbl_pack;
2847EXT MGVTBL PL_vtbl_packelem;
2848EXT MGVTBL PL_vtbl_dbline;
2849EXT MGVTBL PL_vtbl_isa;
2850EXT MGVTBL PL_vtbl_isaelem;
2851EXT MGVTBL PL_vtbl_arylen;
2852EXT MGVTBL PL_vtbl_glob;
2853EXT MGVTBL PL_vtbl_mglob;
2854EXT MGVTBL PL_vtbl_nkeys;
2855EXT MGVTBL PL_vtbl_taint;
2856EXT MGVTBL PL_vtbl_substr;
2857EXT MGVTBL PL_vtbl_vec;
2858EXT MGVTBL PL_vtbl_pos;
2859EXT MGVTBL PL_vtbl_bm;
2860EXT MGVTBL PL_vtbl_fm;
2861EXT MGVTBL PL_vtbl_uvar;
a0d0e21e 2862
f93b4edd 2863#ifdef USE_THREADS
22c35a8c 2864EXT MGVTBL PL_vtbl_mutex;
f93b4edd
MB
2865#endif /* USE_THREADS */
2866
22c35a8c
GS
2867EXT MGVTBL PL_vtbl_defelem;
2868EXT MGVTBL PL_vtbl_regexp;
2869EXT MGVTBL PL_vtbl_regdata;
2870EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 2871
36477c24 2872#ifdef USE_LOCALE_COLLATE
22c35a8c 2873EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 2874#endif
a0d0e21e 2875
22c35a8c
GS
2876EXT MGVTBL PL_vtbl_amagic;
2877EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 2878
810b8aa5
GS
2879EXT MGVTBL PL_vtbl_backref;
2880
bbce6d69 2881#endif /* !DOINIT */
85e6fe83 2882
f5284f61
IZ
2883enum {
2884 fallback_amg, abs_amg,
2885 bool__amg, nomethod_amg,
2886 string_amg, numer_amg,
2887 add_amg, add_ass_amg,
2888 subtr_amg, subtr_ass_amg,
2889 mult_amg, mult_ass_amg,
2890 div_amg, div_ass_amg,
2891 modulo_amg, modulo_ass_amg,
2892 pow_amg, pow_ass_amg,
2893 lshift_amg, lshift_ass_amg,
2894 rshift_amg, rshift_ass_amg,
2895 band_amg, band_ass_amg,
2896 bor_amg, bor_ass_amg,
2897 bxor_amg, bxor_ass_amg,
2898 lt_amg, le_amg,
2899 gt_amg, ge_amg,
2900 eq_amg, ne_amg,
2901 ncmp_amg, scmp_amg,
2902 slt_amg, sle_amg,
2903 sgt_amg, sge_amg,
2904 seq_amg, sne_amg,
2905 not_amg, compl_amg,
2906 inc_amg, dec_amg,
2907 atan2_amg, cos_amg,
2908 sin_amg, exp_amg,
2909 log_amg, sqrt_amg,
2910 repeat_amg, repeat_ass_amg,
2911 concat_amg, concat_ass_amg,
2912 copy_amg, neg_amg,
2913 to_sv_amg, to_av_amg,
2914 to_hv_amg, to_gv_amg,
2915 to_cv_amg, iter_amg,
64a0062a
JH
2916 max_amg_code
2917 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ
2918};
2919
2920#define NofAMmeth max_amg_code
2921
a0d0e21e 2922#ifdef DOINIT
22c35a8c 2923EXTCONST char * PL_AMG_names[NofAMmeth] = {
a6006777
PP
2924 "fallback", "abs", /* "fallback" should be the first. */
2925 "bool", "nomethod",
2926 "\"\"", "0+",
2927 "+", "+=",
2928 "-", "-=",
2929 "*", "*=",
2930 "/", "/=",
2931 "%", "%=",
2932 "**", "**=",
2933 "<<", "<<=",
2934 ">>", ">>=",
2935 "&", "&=",
2936 "|", "|=",
2937 "^", "^=",
2938 "<", "<=",
2939 ">", ">=",
2940 "==", "!=",
2941 "<=>", "cmp",
2942 "lt", "le",
2943 "gt", "ge",
2944 "eq", "ne",
2945 "!", "~",
2946 "++", "--",
2947 "atan2", "cos",
2948 "sin", "exp",
2949 "log", "sqrt",
2950 "x", "x=",
2951 ".", ".=",
f5284f61
IZ
2952 "=", "neg",
2953 "${}", "@{}",
2954 "%{}", "*{}",
2955 "&{}", "<>",
a0d0e21e
LW
2956};
2957#else
22c35a8c 2958EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW
2959#endif /* def INITAMAGIC */
2960
73c4f7a1
GS
2961END_EXTERN_C
2962
a6006777 2963struct am_table {
a0d0e21e
LW
2964 long was_ok_sub;
2965 long was_ok_am;
a6006777
PP
2966 U32 flags;
2967 CV* table[NofAMmeth];
a0d0e21e
LW
2968 long fallback;
2969};
a6006777
PP
2970struct am_table_short {
2971 long was_ok_sub;
2972 long was_ok_am;
2973 U32 flags;
2974};
a0d0e21e 2975typedef struct am_table AMT;
a6006777 2976typedef struct am_table_short AMTS;
a0d0e21e
LW
2977
2978#define AMGfallNEVER 1
2979#define AMGfallNO 2
2980#define AMGfallYES 3
2981
a6006777
PP
2982#define AMTf_AMAGIC 1
2983#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2984#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2985#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2986
c0315cdf
JH
2987
2988/*
2989 * some compilers like to redefine cos et alia as faster
2990 * (and less accurate?) versions called F_cos et cetera (Quidquid
2991 * latine dictum sit, altum viditur.) This trick collides with
2992 * the Perl overloading (amg). The following #defines fool both.
2993 */
2994
2995#ifdef _FASTMATH
2996# ifdef atan2
2997# define F_atan2_amg atan2_amg
2998# endif
2999# ifdef cos
3000# define F_cos_amg cos_amg
3001# endif
3002# ifdef exp
3003# define F_exp_amg exp_amg
3004# endif
3005# ifdef log
3006# define F_log_amg log_amg
3007# endif
3008# ifdef pow
3009# define F_pow_amg pow_amg
3010# endif
3011# ifdef sin
3012# define F_sin_amg sin_amg
3013# endif
3014# ifdef sqrt
3015# define F_sqrt_amg sqrt_amg
3016# endif
3017#endif /* _FASTMATH */
3018
83ee9e09
GS
3019#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3020 PERLDBf_NOOPT | PERLDBf_INTER | \
3021 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3022 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3023 /* No _NONAME, _GOTO */
3024#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3025#define PERLDBf_LINE 0x02 /* Keep line # */
3026#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3027#define PERLDBf_INTER 0x08 /* Preserve more data for
3028 later inspections */
3029#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3030#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3031#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3032#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3033#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3034#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3035
3280af22
NIS
3036#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3037#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3038#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3039#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3040#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3041#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3042#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3043#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS
3044#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3045#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3046
bbce6d69 3047
36477c24 3048#ifdef USE_LOCALE_NUMERIC
bbce6d69 3049
36477c24
PP
3050#define SET_NUMERIC_STANDARD() \
3051 STMT_START { \
864dbfa3
GS
3052 if (! PL_numeric_standard) \
3053 set_numeric_standard(); \
36477c24
PP
3054 } STMT_END
3055
3056#define SET_NUMERIC_LOCAL() \
3057 STMT_START { \
3280af22 3058 if (! PL_numeric_local) \
864dbfa3 3059 set_numeric_local(); \
36477c24 3060 } STMT_END
bbce6d69 3061
097ee67d
JH
3062#define IS_NUMERIC_RADIX(c) \
3063 ((PL_hints & HINT_LOCALE) && \
3064 PL_numeric_radix && (c) == PL_numeric_radix)
3065
3066#define RESTORE_NUMERIC_LOCAL() if ((PL_hints & HINT_LOCALE) && PL_numeric_standard) SET_NUMERIC_LOCAL()
3067#define RESTORE_NUMERIC_STANDARD() if ((PL_hints & HINT_LOCALE) && PL_numeric_local) SET_NUMERIC_STANDARD()
5b877257 3068#define Atof my_atof
097ee67d 3069
36477c24 3070#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3071
097ee67d
JH
3072#define SET_NUMERIC_STANDARD() /**/
3073#define SET_NUMERIC_LOCAL() /**/
3074#define IS_NUMERIC_RADIX(c) (0)
3075#define RESTORE_NUMERIC_LOCAL() /**/
3076#define RESTORE_NUMERIC_STANDARD() /**/
65202027 3077#define Atof Perl_atof
bbce6d69 3078
36477c24 3079#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3080
ad551343
JH
3081#if !defined(Atol) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
3082# if !defined(Atol) && defined(HAS_STRTOLL)
3083# define Atol(s) strtoll(s, (char**)NULL, 10)
3084# endif
3085# if !defined(Atol) && defined(HAS_ATOLL)
3086# define Atol atoll
3087# endif
ff935051 3088/* is there atoq() anywhere? */
15b99d39 3089#endif
ff935051
JH
3090#if !defined(Atol)
3091# define Atol atol /* we assume atol being available anywhere */
cf2093f6
JH
3092#endif
3093
ad551343
JH
3094#if !defined(Strtoul) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
3095# if !defined(Strtoul) && defined(HAS_STRTOULL)
15b99d39
JH
3096# define Strtoul strtoull
3097# endif
ad551343 3098#endif
76d49b1c 3099/* is there atouq() anywhere? */
ad551343
JH
3100#if !defined(Strtoul) && defined(HAS_STRTOUQ)
3101# define Strtoul strtouq
3102#endif
ff935051
JH
3103#if !defined(Strtoul)
3104# define Strtoul strtoul /* we assume strtoul being available anywhere */
cf2093f6
JH
3105#endif
3106
e5c9fcd0 3107#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
760ac839
LW
3108/*
3109 * Now we have __attribute__ out of the way
3110 * Remap printf
3111 */
39455587 3112#undef printf
760ac839
LW
3113#define printf PerlIO_stdoutf
3114#endif
3115
a868473f
NIS
3116#ifndef PERL_SCRIPT_MODE
3117#define PERL_SCRIPT_MODE "r"
3118#endif
3119
fba3b22e 3120/*
da927450
JH
3121 * Some operating systems are stingy with stack allocation,
3122 * so perl may have to guard against stack overflow.
3123 */
3124#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3125#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH
3126#endif
3127
3128/*
3129 * Some nonpreemptive operating systems find it convenient to
3130 * check for asynchronous conditions after each op execution.
3131 * Keep this check simple, or it may slow down execution
3132 * massively.
3133 */
3134#ifndef PERL_ASYNC_CHECK
c2af87cb 3135#define PERL_ASYNC_CHECK() NOOP
da927450
JH
3136#endif
3137
3138/*
3139 * On some operating systems, a memory allocation may succeed,
3140 * but put the process too close to the system's comfort limit.
3141 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3142 * it to NULL.
3143 */
3144#ifndef PERL_ALLOC_CHECK
c2af87cb 3145#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH
3146#endif
3147
3148/*
fba3b22e
MB
3149 * nice_chunk and nice_chunk size need to be set
3150 * and queried under the protection of sv_mutex
3151 */
3152#define offer_nice_chunk(chunk, chunk_size) do { \
940cb80d 3153 LOCK_SV_MUTEX; \
3280af22
NIS
3154 if (!PL_nice_chunk) { \
3155 PL_nice_chunk = (char*)(chunk); \
3156 PL_nice_chunk_size = (chunk_size); \
fba3b22e 3157 } \
fc80cf79
GS
3158 else { \
3159 Safefree(chunk); \
3160 } \
940cb80d 3161 UNLOCK_SV_MUTEX; \
fba3b22e
MB
3162 } while (0)
3163
bd89102f
AD
3164#ifdef HAS_SEM
3165# include <sys/ipc.h>
3166# include <sys/sem.h>
3167# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
3168 union semun {
dbba660d
TC
3169 int val;
3170 struct semid_ds *buf;
3171 unsigned short *array;
bd89102f
AD
3172 };
3173# endif
3174# ifdef USE_SEMCTL_SEMUN
dbba660d
TC
3175# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
3176 union gccbug_semun {
3177 int val;
3178 struct semid_ds *buf;
3179 unsigned short *array;
3180 char __dummy[5];
3181 };
3182# define semun gccbug_semun
3183# endif
bd89102f
AD
3184# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
3185# else
3186# ifdef USE_SEMCTL_SEMID_DS
3187# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
3188# endif
3189# endif
bd89102f 3190#endif
49f531da 3191
9a34ef1d
GS
3192#ifdef I_FCNTL
3193# include <fcntl.h>
9a34ef1d
GS
3194#endif
3195
3196#ifdef I_SYS_FILE
3197# include <sys/file.h>
3198#endif
3199
fe52b3b7
GS
3200#ifndef O_RDONLY
3201/* Assume UNIX defaults */
3202# define O_RDONLY 0000
3203# define O_WRONLY 0001
3204# define O_RDWR 0002
3205# define O_CREAT 0100
3206#endif
9a34ef1d 3207
104d25b7
JH
3208#ifdef IAMSUID
3209
3210#ifdef I_SYS_STATVFS
32b3cf08
JH
3211# include <sys/statvfs.h> /* for f?statvfs() */
3212#endif
3213#ifdef I_SYS_MOUNT
3214# include <sys/mount.h> /* for *BSD f?statfs() */
3215#endif
3216#ifdef I_MNTENT
3217# include <mntent.h> /* for getmntent() */
104d25b7 3218#endif
0545a864
JH
3219#ifdef I_SYS_STATFS
3220# include <sys/statfs.h> /* for some statfs() */
3221#endif
3222#ifdef I_SYS_VFS
8d9e1a19
GS
3223# ifdef __sgi
3224# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
3225# endif
3226# include <sys/vfs.h> /* for some statfs() */
3227# ifdef __sgi
3228# undef IRIX_sv
3229# endif
0545a864
JH
3230#endif
3231#ifdef I_USTAT
3232# include <ustat.h> /* for ustat() */
3233#endif
3234
3235#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
3236# define PERL_MOUNT_NOSUID MOUNT_NOSUID
3237#endif
3238#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
3239# define PERL_MOUNT_NOSUID MNT_NOSUID
3240#endif
3241#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
3242# define PERL_MOUNT_NOSUID MS_NOSUID
3243#endif
3244#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
3245# define PERL_MOUNT_NOSUID M_NOSUID
3246#endif
104d25b7
JH
3247
3248#endif /* IAMSUID */
3249
4d8076ea 3250/* and finally... */
cceca5ed 3251#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 3252#include "patchlevel.h"
cceca5ed 3253#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 3254
43999f95
JH
3255/* Mention
3256
3257 NV_PRESERVES_UV
fe749a9f 3258
43999f95
JH
3259 HAS_ICONV
3260 I_ICONV
3261
fe749a9f
JH
3262 HAS_MKSTEMP
3263 HAS_MKSTEMPS
3264 HAS_MKDTEMP
3265
49dabb45
JH
3266 HAS_GETCWD
3267
d59b5429 3268 HAS_MMAP
fe749a9f
JH
3269 HAS_MPROTECT
3270 HAS_MSYNC
3271 HAS_MADVSISE
3272 HAS_MUNMAP
3273 I_SYSMMAN
3274 Mmap_t
3275
43999f95
JH
3276 so that Configure picks them up. */
3277
85e6fe83 3278#endif /* Include guard */